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Hundreds of millions of Indians will head to the polls from 19 April to 1 June amid scorching heat to cast their votes in the world’s biggest elections.

Their decisions could have significant consequences for how – or even if – India meets its climate goals and adapts rapidly to now almost daily extreme weather impacts.

Over the past decade, the Narendra Modi-led Indian government has been projected and perceived as a climate leader internationally: from his COP26 speech in Glasgow committing India to net-zero by 2070 through to his G20 presidency last year where he announced a renewable “tripling” target which was then echoed in the first “global stocktake” at COP28.

However, despite increasing renewable capacity, the Indian government’s rapid coal expansion and Modi’s links to fossil fuel interests have been dubbed problematic by many and “pragmatic” by others.

His party – the Bharatiya Janata Party (BJP) – holds a majority in the lower house of parliament and is the single largest party in the upper house, allowing it to pass controversial environmental and forest laws, with limited scrutiny and discussion.

While the BJP dominates – and expects to win the election – India still has more than 2,700 registered political parties and 56 state parties, of which six are officially recognised as national political parties.

Of these, the biggest and oldest is the Rahul Gandhi-led Indian National Congress (Congress), credited with giving India most of its progressive environmental laws and positions on climate, but also accused of ignoring them before its fall from national power in 2014.

In this interactive grid below, Carbon Brief tracks the commitments made by India’s major national political parties in their latest election manifestos across a range of issues connected to climate change.

The grid also includes proposals by the Communist Party of India (Marxist). Parties yet to publish their manifestos include the Aam Aadmi Party (AAP) led by Delhi’s recently jailed chief minister Arvind Kejriwal, the Bahujan Samaj Party (BSP) representing India’s historically marginalised castes and minorities, and the National Peoples’ Party representing India’s biodiverse northeastern states. (The grid will be updated when these remaining parties publish their manifestos.)

Each entry in the grid represents a direct quote from one of these documents.

(Note that the BJP refers to India as “Bharat” in most of its manifesto. This is seen by some as a reaction to 26 opposition parties banding together last year to brand themselves the Indian National Developmental Inclusive Alliance (INDIA) alliance.)

Despite an ongoing heatwave, drought, floods, farmer protests and debilitating smog blanketing most Indian cities, many argue that climate and environmental issues are too “peripheral” to sway the billion-strong Indian electorate. Others counter that “all key issues on the ballot in 2024” are linked to climate change.

Historically, however, Indian political parties have regularly rolled out campaigns and subsidies connected to energy, electricity and climate to appeal to Indian voters.

While welfare or development-based promises of free electricity for farmers and cooking gas price cuts are a running election feature, free public transport, land rights and managing natural resources, such as coal or forests, can also mobilise voters.

In 2014, for instance, Modi rode to power on a campaign promise of cleaning up corruption in India’s coal and mining sector, scarred by gargantuan scams.

Speaking to Carbon Brief, Aditya Valiathan Pillai from the Sustainable Futures Collaborative, says on one side you have welfare and developmental projects as a “balancing factor” for climate shocks. On the other side, “it’s about gas cylinders, energy access, cheaper electricity…all of that is climate. It’s just that it’s not ‘Extinction Rebellion’-style climate politics”.

Pillai adds:

“I think we see climate politics as the sort of existential, titanic fight for the future of humanity where climate progressives arm wrestle climate deniers. It’s not. There’s a much greater diversity in climate politics. The core difference is the politics of gain and the politics of loss, and we are very much in the politics of gain in India because it’s such a low baseline of development. In the West, it’s the exact opposite.”

Climate and environmental issues may not have been explicitly on top of voters’ or parties’ priorities before, but that has steadily changed since 2019.

While the BJP set out an ambitious renewable energy target of 175 gigawatts (GW) by 2022, AAP campaigned on its air pollution and electric vehicle policies in Delhi.

In 2019, while Congress pledged to bring back protections against deforestation and land-use change, the BSP and its allies promised to deploy clean energy to “destroy caste discrimination”, as “an over-dependence on coal directly impacts tribal populations who are constantly under threat in the name of power-generation”.

This year, climate change is mentioned in all national party manifestos published so far, along with commitments to promote renewable energy and, for the first time ever, critical minerals. For example, the BJP and Congress manifestos both emphasise working towards achieving net-zero by 2070.

The BJP manifesto promises the country “energy independence” by 2047 – a century since India achieved independence from the UK – through “a mix of electric mobility, network of charging stations, renewable energy production and improving energy efficiency”.

The BJP also sets out a 500GW renewable energy target – although it does not specify when this goal would be met. If voted in again, the Modi government says it plans to achieve this through setting up “mega” solar and wind parks and a clean energy corridor, with aims to turn India into a global renewable energy manufacturing hub.

It also emphasises scaling up bioenergy and green hydrogen production, developing small modular nuclear reactors and incentivising private investment in large-scale battery storage.

In the run-up to the elections, Modi has already announced a rooftop solar scheme and promised farmers in the critical election state of Uttar Pradesh to turn India’s sugarcane belt into a biofuel belt.

However, while the BJP’s manifesto pledges to support India’s automobile industry transition to electric vehicle manufacturing, it fails to mention coal even once or to outline how heavy industry will be decarbonised, beyond its existing Green Credit Programme.

While it outlines its commitment to meet India’s still-unclear carbon sink target, the BJP’s manifesto is silent on the forest rights of Indigenous communities, unlike Congress, which promises to set up a national mission to guarantee their rights and to stem deforestation.

In an election where unemployment is set to be a key voting issue, Congress pledged a “Green New Deal Investment Programme” and a “Green Transition Fund” in its manifesto. Congress pledges to generate millions of jobs in renewable energy, sustainable infrastructure and mining critical minerals. Its renewable energy plans lack specific targets, but remain strongly focused on decentralised power and job generation in rural India, with incentives for village councils and farmers to set up solar grids.

Congress is the only national party promising to increase allocations to India’s National Adaptation Fund and wants to create an independent environment authority akin to the US Environmental Protection Agency.

Both Congress and CPI have promised to look into landslides caused by floods that caused severe crop losses last year and to reverse “anti-people” amendments to India’s forest and environmental laws made under the Modi government.

The CPI is the only national party to explicitly mention coal in its manifesto, calling for unexplored private coal blocks to be returned to state-run Coal India, to reduce India’s dependence on coal imports and a judicial investigation into “fraudulent” imports by private companies.

Similarly, it is the only party to pledge a participatory “just transition plan” to protect communities and coal workers “affected in the process of transitioning to renewable energy from fossil fuel[s]”.

Its manifesto promises to end private monopolies in renewable energy, seeking to establish the government’s “decisive stake” in the sector “to protect our country’s energy sovereignty”.

To Bangalore-based climate activist Disha Ravi, protests by farmers, youth and citizen groups in the Himalayan region, as well as the visible climate impacts right before election season, have ensured environmental issues have “stayed fresh” in peoples’ minds and made it into manifestos.

However, she is concerned about follow-through, including from state governments where the opposition has been in power. She tells Carbon Brief:

“I live in Karnataka and one of our main environmental demands locally was to get back the right to protest. And they [Congress] haven’t enabled that since they’ve come back to power. They’ve been a little more open to conversations, and it’s great that they have these amazing-sounding policies on paper. But will they actually translate into real life? I don’t know that because they haven’t had a great track record.”

It remains to be seen whether the heat, deforestation or renewable jobs sway Indian voters as they step out to vote over seven phases this summer. But to activists and observers such as Ravi, it is time India has “a national-level climate conversation, and it shouldn’t be just because elections are around the corner”.

The post India election 2024: What the manifestos say on energy and climate change appeared first on Carbon Brief.

India election 2024: What the manifestos say on energy and climate change

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Guest post: Climate change has caused one-fifth of Pine Island glacier retreat

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The Pine Island glacier in West Antarctica is one of the fastest-changing glaciers in the world.

Alongside its neighbour, the Thwaites glacier, it is responsible for almost half the sea level rise caused by melting ice sheets in Antarctica.

Scientists know the West Antarctic ice sheet – which includes Thwaites and Pine Island – is retreating because of warm water eroding the ice sheet from below.

But the extent to which this process has been driven by human-caused greenhouse gas emissions, as opposed to natural variations to the Earth’s climate, remains unknown.

Our study, published in the Cryosphere, looks at how human-caused warming has contributed to the retreat of the Pine Island glacier since pre-industrial times.

The research, the first attribution study of glacier retreat on Antarctica, finds that climate change has been responsible for around 4km – roughly a fifth – of the glacier’s retreat.

The West Antarctic ice sheet

Glaciers are frozen rivers of ice and snow that move slowly over land. They are found at high elevations on mountains and on ice sheets.

There are two ice sheets on Earth – covering Antarctica and Greenland. Both were formed over millennia, as layers of snow compressed into dense ice.

Ice sheets grow and shrink depending on temperature and snowfall conditions. In the past, when global temperatures were much colder than present day, vast ice sheets also covered large areas of North America, Scandinavia and Patagonia.

Today, human-driven climate change is accelerating the retreat of ice sheets. This is contributing to sea level rise and altering the Earth’s climate system by pumping vast quantities of fresh melt water into the ocean.

Our research looks at the Pine Island glacier, which is found on the western part of the Antarctic ice sheet.

Graphic: Carbon Brief. Credit: Quantarctica / Norwegian Polar Institute

It is one of the fastest-melting glaciers in the world. Research has shown it has been responsible for a fifth of net ice loss from the West Antarctic ice sheet, which, in turn, has been responsible for almost all ice loss in Antarctica over the past 40 years.

At the coldest point of the last ice age – the “last glacial maximum” period around 20,000 years ago – the West Antarctic ice sheet was much bigger than it is today. Since then, it has retreated by approximately 500km – roughly the distance from Paris to London.

Most of this retreat took place between 10,000 and 20,000 years ago. For the past 10,000 years or so, the ice sheet has been about as big as it is today.

Sediment records beneath the Pine Island glacier reveal that, for hundreds of years until the 1940s, the glacier rested on a seabed ridge that is about 30km ahead of where it sits today.

The sediment records also tell us that the Pine Island glacier started to retreat in the 1940s. This coincided with a strong El Niño event, a recurring climate pattern in the tropical Pacific that drives up global temperatures, that brought a large pulse of warm water to the ice sheet.

This is illustrated in the figures below, which shows how the grounding line – the boundary between grounded and floating ice – of the Pine Island glacier shifted between pre-industrial times (red line) and 2015 (bright blue line).

The map on the left shows an aerial view of grounding line retreat from pre-industrial times (red) to 2015 (blue). The graphic on the right illustrates how the grounding line has shifted across a cross-section of the glacier.

Both illustrate how the glacier has contracted.

Map of the grounding line – where the ice transitions from grounding to floating – of Pine Island glacier in 2015
Left: Map of the grounding line – where the ice transitions from grounding to floating – of Pine Island glacier in 2015 (bright blue) and in pre-industrial times (red). The background colour shows the bed depth. Right: The shape of the ice measured along the white line in (a) in 2015 (blue) and prior to the 1940s (red). The brown area shows the bed. Credit: Bradley, A et al. (2026)

Climate reconstructions suggest that human-caused climate change only started to increase the amount of warm water reaching the West Antarctic ice sheet in the 1960s.

This indicates that climate change started to affect the melt rate in the region 20 years after the retreat had already been initiated.

In our research, we wanted to find out how important climate change was to the overall retreat since the 1940s.

Attributing ice sheet retreat

Currently, scientists do not know precisely how much of the retreat of the world’s ice sheets – and the associated sea level rise – is due to human-caused global warming.

Through the field of attribution science, the links between climate change and extreme weather and climate events, including heatwaves, wildfires and droughts, are routinely quantified by scientists.

In attribution studies, scientists typically use climate models to simulate the severity or frequency of an event in two worlds. The first is our existing, climate-changed world and the second is a “counterfactual” world that has not been affected by human-caused warming.

By comparing the model runs, scientists can assess how much climate change influenced an event.

To create these two modelled worlds in an Antarctic context, scientists need to run historical models for at least 200 years into the past. This is because ice sheets respond very slowly to changes in the climate, with very small changes year-on-year.

This presents a challenge, given the limited information available about ice sheet change before satellite records began in the 1970s.

To build a picture of the ice sheets prior to this, scientists have to rely on a few, sparse, palaeoclimate records – including sediment records and seafloor imprints – which tell us where ice was present in the past.

Reconstructing Pine Island’s past

To reconstruct the retreat of the Pine Island glacier – and, therefore, determine the role of climate change – we used a combination of physical climate models and machine learning.

First, we ran many simulations of our model under a range of different settings. This included variations in how important processes are represented, such as how the ice moves and interacts with the ocean.

Then, we compared the results of these simulations to modern satellite observations and older sediment records, allowing us to narrow down the settings that were most realistic. This gave us a set of plausible simulations that agreed with the available observational data.

However, to reconstruct the retreat in full, we needed to find all settings of our model that would agree with the observational data.

Because simulations take a lot of time to run, this was not possible.

Therefore, to fill the gaps and find all plausible simulations, we used machine learning to identify relationships between model settings and simulated glacier retreat.

This exercise allowed us to build a good picture of how the glacier actually retreated over the past 250 years. We call this our “reconstructed” scenario.

We then compared the glacier retreat in this reconstructed world with changes that took place in a counterfactual scenario where there had been no human-caused climate change.

In doing so, we were able to quantify the role that warming played in the shrinking of the Pine Island glacier since the 1940s.

Overall, we estimate that warming has been responsible for around 4km – roughly a fifth – of the glacier’s retreat since 1940.

This is shown in the figure below, which shows how grounding line retreat in the reconstructed scenario (blue) is more extreme than projected by the counterfactual scenario (green).

Grounding line retreat in reconstruction
Grounding line retreat in reconstruction (blue) and counterfactual (green) of Pine Island glacier, with shading indicating uncertainty in these. Red dots with errors bars indicate observations of grounding line position in 1930 and 2015. Adapted from Bradley et al. (2026).

Interpreting the numbers

Our work quantifies, for the first time, the role of climate change in the retreat of a glacier in the world’s ice sheets – directly linking greenhouse gas emissions with glacier decline.

We also find that the Pine Island glacier may have retreated even without climate change, just not as far. This is similar to how extreme weather events, such as drought or extreme rainfall, could still happen without climate change, just with less frequency or intensity.

One of the key challenges in our research arises from not knowing exactly how large the ice sheet was prior to satellite records.

Although the sediment records tell us where the ice was grounded – that is, what its footprint was – they do not tell us exactly how much ice there was.

This means we do not know exactly how to set up our model at the start of the simulations, which leads to uncertainty in our predictions.

Further work is underway to determine exactly how to best set up the simulations for future research.

The post Guest post: Climate change has caused one-fifth of Pine Island glacier retreat appeared first on Carbon Brief.

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Climate adaptation in Africa needs investment, not imported solutions

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Ellen Davies is head of programmes at the African Climate Foundation and is based in Kenya. Wole Hammond is programme officer for adaptation and resilience at the foundation, based in Nigeria.

For generations, African communities have lived on the frontlines of climate disruption, managing erratic rainfall, prolonged droughts and the slow erosion of their livelihoods, which depend on predictable seasons.

When the rains failed across Southern Africa in 2024, it was but the latest chapter of a crisis already long underway. During that season, maize crop failures of 40-80% devastated farming communities in Zambia, Zimbabwe and Malawi, where roughly 70% of people depend on rain-fed agriculture. Governments already stretched by debt were forced to raid development budgets, trading long-term growth for emergency relief.

Then came the floods. In early 2026, parts of Mozambique, Zimbabwe and South Africa received over a year’s worth of rain in days. More than 2 million people were affected. In East Africa, drought has displaced nearly 62,000 people in Somalia this year alone, with nearly one in four Somalis now facing acute food insecurity.

This is what climate change looks like on the ground – not parts per million or diplomatic jargon, but whether a school stays open after floods cut off the road, whether a clinic can function in extreme heat, whether a country can still invest in its future when every year brings another disaster bill.

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Africa as a continent contributes the least to global emissions yet bears a disproportionate share of the consequences. Nine of the ten countries most vulnerable to climate change are African. As livelihoods collapse and rural economies fail, migration pressures will intensify, driven by climate change intersecting with poverty, conflict and constrained opportunity.

Chronic under-funding

Europe is only now beginning to experience, in more limited form, what African communities have navigated for decades with far less fiscal space, thinner insurance coverage and fewer resources for recovery. With El Niño conditions confirmed and a “super” version of the naturally occurring weather pattern possible later this year, the pressure is set to intensify further.

In Africa, climate action is fundamentally a development challenge where adaptation and mitigation must go hand in hand. Building a solar grid and flood-proofing the road that serves it are not separate agendas. Yet for too long, the global climate conversation has prioritised mitigation while leaving adaptation – the work of protecting lives, livelihoods and economies in a changing climate – chronically under-funded.

The result is three compounding gaps. A visibility gap: much of Africa’s adaptation work remains under-documented and under-recognised in global climate narratives. A financing gap: capital does not flow at the scale or speed required to the people and institutions best placed to use it. And a decision-making gap: too many solutions are still designed elsewhere and imported into African contexts, rather than backing African-led platforms to scale what is already working.

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Solutions ready for finance

The solutions exist. Rwanda’s green investment fund has mobilised climate finance at national scale through its own systems. Egypt’s Nexus of Water, Food and Energy programme has shown how integrated planning can stretch limited resources across interdependent systems.

Zambia’s Presidential Irrigation Initiative is building climate-resilient food production from the ground up. In Pata, Senegal, a solar irrigation project has unlocked agricultural production and created jobs, demonstrating how integrated investments in water, energy and livelihoods can deliver resilience and development gains simultaneously.

In South Africa, the African Climate Foundation’s work with the South African Local Government Association (SALGA) is supporting district municipalities to assess their climate risks and develop fit-for-purpose Climate Action Plans, building adaptation capacity where it is needed most – at the local level.

These are not pilot projects waiting to be validated. They are working systems waiting for investment.

Closing the gaps requires a decisive shift in posture from global finance, philanthropy and development institutions. It means backing country-led platforms that can prepare, aggregate and finance adaptation projects. It means investing in place-based initiatives grounded in local knowledge.

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It means fostering intra- and inter-continental collaboration, so that lessons from Kigali inform decisions in Nairobi and innovations in Lagos reach communities in Dakar. And it means treating adaptation as core economic infrastructure, not charitable relief.

Invest now for future gains

The economic case is clear. Every dollar invested in climate adaptation returns an estimated four dollars in benefits on average – and up to five in the poorest economies. Under-investment in African adaptation is as economically irrational as it is morally unjust.

The world depends on Africa’s food systems, its young workforce – the majority of the continent’s population is under 25 – and its minerals. Several African countries supply a substantial share of the copper, cobalt and other critical materials underpinning the global clean energy transition.

Drought in Zambia has already shown how climate stress can disrupt hydropower, electricity supply and mining output. A transition that depends on African minerals cannot afford to ignore African climate resilience.

The world can continue to under-fund adaptation and pay repeatedly for emergencies, instability and lost development. Or it can invest now in the people, institutions and systems already doing the work on the ground in Africa, not in solutions imported from elsewhere.

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Africa has the agency, the knowledge and the platforms. What it needs is the finance to match. A super El Niño will not wait for consensus to form. Neither, frankly, should we.

The post Climate adaptation in Africa needs investment, not imported solutions appeared first on Climate Home News.

Climate adaptation in Africa needs investment, not imported solutions

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DeBriefed 26 June 2026: Heat records broken across Europe | London climate action week | Introducing ‘Project Cosmos’

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Welcome to Carbon Brief’s DeBriefed.
An essential guide to the week’s key developments relating to climate change.

This week

Record Europe heat

HOTTEST EVER: The UK broke its temperature record for June twice this week, while France recorded its hottest day ever two days in a row, reported the Guardian. The Times reported that temperatures reached 36.7C in Somerset on Thursday, as the “London Ambulance Service had its busiest-ever day for life-threatening emergencies”.

FRANCE FRYING: French newspaper Libération said that temperatures reached as high as 44.3C in the south-western commune of Pissos on Wednesday. Spain also recorded its highest daily average temperature for June, said BBC News. On Thursday, Switzerland also had its hottest June day, when temperatures reached 37C in four locations, reported SwissInfo.

CLIMATE LINK: CNN covered a rapid analysis from the World Weather Attribution service finding that fossil-fuelled climate change has made this heatwave the most severe and widespread in Europe’s history. Carbon Brief covered the broken heat records, explaining the influence of climate change.

‘Electrifying’ London talks

‘LONDON COOKING’: In a sweltering, packed-out event at London climate action week, UN chief António Guterres quipped that “London is not just calling, it’s cooking”, reported Edie. Guterres also used his address to release a “global call to action on methane” and to call on artificial intelligence companies to reveal their environmental impact and source their power solely from renewables by 2030, said the publication.

‘ELECTRIFY NOW’: Elsewhere, dozens of governments, led by the EU and the UK, committed to throwing “their political weight” behind a rapid electrification of the world’s economy, according to Climate Home News. A high-level summit in London’s Mansion House saw energy ministers and business leaders, joined by Guterres, in “calling for faster action to curb demand for oil, coal and gas by powering homes, industry and transport with clean electricity”.

FOSSIL TRANSITION: At the same event, ministers from Colombia and the Netherlands, the co-hosts of the world’s first summit on transitioning away from fossil fuels in April, unveiled a report on their key takeaways. It comes after the current Colombian government has been ousted by a presidential election defeat to a fossil-fuel-supporting Trump ally. Carbon Brief examined what this could mean for the world’s energy transition.

Around the world

  • UK TARGET: The UK parliament has approved its “seventh carbon budget”, aimed at cutting emissions 87% below 1990 levels by 2040.
  • TOTAL ACCOUNTABILITY: A French court has ordered oil-and-gas giant TotalEnergies to account for the emissions from the use of its products, following a case brought by a climate NGO, reported Le Monde.
  • METHANE RULES: The US, Qatar and other major energy exporters have urged the EU to “rewrite planned methane emissions” rules for oil-and-gas imports, ‌saying that the policy could disrupt fuel supplies to Europe, according to Reuters.
  • CHINA MESSAGE: China’s special envoy for climate change, Liu Zhenmin, said at the World Economic Forum that energy shortages triggered by the Iran war should be a “lesson to countries to accelerate their energy transitions”, reported Bloomberg.
  • US WEBSITE REVIVED: Former US government workers have “recreated a valuable climate-science website” shut down by the Trump administration last year, said the New York Times.

6,600 animals

The number of livestock that perished in transport during heat in England and Wales from June to August 2025, double the number killed the year before, reported Carbon Brief.


Latest climate research

  • Some world regions are experiencing up to 50 additional heat stress days annually, when compared to 1950 | Nature Climate Change
  • Projections of national land-use emissions to 2100 suggest the strongest “carbon sinks” will be in China and Indonesia, whereas Brazil and the Democratic Republic of the Congo will “dominate global sources” | Nature
  • Most carbon-offset projects relying on “avoided deforestation” have “mixed, negligible or negative impacts relative to control areas” | Nature Climate Change

(For more, see Carbon Brief’s in-depth daily summaries of the top climate news stories on Monday, Tuesday, Wednesday, Thursday and Friday.)

Captured

The UK government’s official climate advisers, the Climate Change Committee (CCC), has released its latest progress report, emphasising that faster electrification is the best way to secure lower energy bills and stronger energy security. Electrification has shot up the agenda in recent months, with the COP31 presidency calling for countries to back a global goal for 35% of “final” energy to come from electricity by 2035. The text of the CCC’s latest report uses the word “electrification” far more often than previous editions, as shown in the figure above. See Carbon Brief’s in-depth breakdown of the CCC’s latest advice.

Spotlight

Introducing ‘Project Cosmos’

Carbon Brief explains how it built a major new database of climate science research and unveils a new ranking of the 500 most highly cited publications, authors and institutions in climate science.

This week, Carbon Brief launched Project Cosmos – the world’s largest and most complete database of climate change research.

The database features more than 1.8m academic papers, books and reports, capturing the vast body of human knowledge about climate change that has accumulated over more than a century of academic study.

The climate science “universe” is based on reports from the Intergovernmental Panel on Climate Change (IPCC), which are recognised as the world’s most authoritative summaries of the latest climate science.

Since its first report was published in 1990, humanity’s knowledge about human-caused climate change has ballooned. The IPCC has published six sets of reports in total – each one longer than the last.

In total, IPCC reports reference more than 100,000 other papers, books and reports. This is the core of our climate science universe. Carbon Brief then built on this core, by looking at four other sources of data. Read more about how the Cosmos database was created here.

Every single publication in the Cosmos database is linked to at least one other through references. Visualising these links reveals a “galaxy” of references.

In the image above, each colour and cluster reveals different topics and densities of research. Explore the galaxy in an interactive map.

Cosmos 500

As part of an initial wave of preliminary analysis to demonstrate the scope of the Project Cosmos database, Carbon Brief has ranked the 500 most highly cited publications, authors and institutions in the database.

The most highly cited climate scientist is Prof Philippe Ciais, who has spent almost four decades researching the planet’s carbon cycle – and the ways in which humans have been impacting its balance. Carbon Brief recently interviewed Ciais in Paris.

The US tops the tables for the most highly cited authors and institutions. Almost half of the 500 most highly-cited authors are from US institutions. This raises particular concerns for the future of climate science, as US climate scientists and institutions are coming under attack under the Trump administration.

Experts from global south countries account for only 4% of all authors in the Cosmos 500. China stands out as the most highly-cited global south country. Meanwhile, only 10% of authors in the Cosmos 500 are women.

There are many possibilities for future avenues of research using the Cosmos database. Over time, the database could be used to reveal, for example, how interest in different areas of climate science has changed over time, plus identify potential knowledge gaps and, thus, opportunities for future research.

Carbon Brief invites researchers – including academics, journalists and analysts – to submit their own proposals for co-authored studies, literature reviews and analytical projects. Proposals should be sent to cosmos AT carbonbrief DOT org.

This spotlight first appeared in Cited, Carbon Brief’s new fortnightly newsletter focused on climate research. Sign up for free.

Watch, read, listen

‘DOOMSDAY CULT’: OpenDemocracy reported on a “religious cult” spreading climate misinformation in “parliaments” and at “COP summits”.

‘WEDGES’ EXAMINED: ProPublica and Drilled released an investigation into how oil executives worked to influence a climate research paper from Princeton University known as “wedges”.

‘1976 to 2056’: A 30-minute YouTube video from the Met Office had climate scientists explaining how current UK temperatures compare to the infamous 1976 heatwave, and how extremes could worsen by 2056.

Coming up

Pick of the jobs

DeBriefed is edited by Daisy Dunne. Please send any tips or feedback to debriefed@carbonbrief.org.

This is an online version of Carbon Brief’s weekly DeBriefed email newsletter. Subscribe for free here.

The post DeBriefed 26 June 2026: Heat records broken across Europe | London climate action week | Introducing ‘Project Cosmos’ appeared first on Carbon Brief.

DeBriefed 26 June 2026: Heat records broken across Europe | London climate action week | Introducing ‘Project Cosmos’

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