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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

Broken records

FIRES: Wildfires have burned through more than 1m hectares of land across the EU, making 2025 the worst year on record, the Guardian reported. Blazes in the EU have burned four times as much land this year as the average over the past two decades, according to data from the European Forest Fire Information System, the outlet said. Meanwhile, the UK has “almost certainly” faced its hottest summer on record, according to provisional Met Office data covered by BBC News.

FLOODS: At least 34 people have been killed as heavy rainfall across India and Pakistan continued to cause flash floods and landslides in Indian-controlled Kashmir, the Associated Press reported. Continuing extreme rainfall in China has caused more than $2bn in damages since July, noted Reuters. Typhoon Kajiki has killed at least eight people in Vietnam and Thailand, with more flash floods and mudslides expected, Channel News Asia reported.

Turbine turbulence

POWER SHOCK: Shares in the Danish wind-power developer Ørsted dropped to a record low after the Trump administration ordered the firm to stop work on a near-complete project, the Financial Times reported. The $1.5bn Revolution Wind project is four-fifths complete and was due to power 350,000 homes in Rhode Island and Connecticut, the newspaper said.

‘WINDFARM WASTE’: In the UK, the energy regulator Ofgem announced that energy bills will rise by 2% for millions of households in October, with the Times reporting that part of the increase is due to the rising cost of “paying wind farms to switch themselves off”. The news sparked a wave of critical editorials and comment pieces in right-leaning and climate-sceptic UK newspapers. A Carbon Brief factcheck previously explained how gas prices, rather than “balancing costs” associated with wind farms, are the largest driver of high electricity prices in the UK.

Around the world

  • FORESTS FOREVER: At a summit in Colombia, Brazil won the backing of other Amazon nations for its $125bn “Tropical Forests Forever Facility”, a fund first launched at COP28 in 2023, Bloomberg reported.
  • CHINA CAP: China’s cabinet announced that the country will “tighten its carbon trading market by introducing absolute emissions caps in some industries for the first time starting by 2027”, Reuters said.
  • RECORD RENEWABLES: Global renewables investment increased by 10% in the first half of the year, when compared to last year, to a record $386bn, according to new data from BloombergNEF covered by BusinessGreen.
  • BANKING BREAK: The Net-Zero Banking Alliance has “paused” its activities “after losing top European and Wall Street members amid Trump’s ongoing crusade against climate change”, reported the Financial Times.
  • STAFF SUSPENDED: The US Federal Emergency Management Agency (Fema) has suspended more than 20 members of staff who signed an open letter warning that Trump’s cuts to the body could risk a “national catastrophe” on the scale of Hurricane Katrina, according to BBC News.

87%

The percentage of new coal-power capacity located in China or India that came online globally in the first half of 2025, as revealed in a guest post for Carbon Brief written by Global Energy Monitor researchers.


Latest climate research

  • Exposure to heatwaves may cause people to age faster | Nature Climate Change
  • The number of supercell thunderstorms – the “most hazardous thunderstorm category” – could increase by an average of 11% in Europe under 3C of global warming | Science Advances
  • Sea level rise projections from the Intergovernmental Panel on Climate Change (IPCC) second assessment in 1995 were “strikingly close to what transpired over the next 30 years” | Earth’s Future

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

Captured

A chart showing that far more space is taken up by golf courses than solar power in many countries

Carbon Brief published an in-depth factcheck debunking 16 of the most commonly heard false and misleading myths about solar power. One such claim is that solar power poses “a serious threat to agriculture and food security” by taking up land. The chart above, adapted from the factcheck, puts such a claim in perspective using the land-use of golf courses as a comparison.

Spotlight

How to reform the UN’s climate COPs

This week, Carbon Brief highlights a short extract from a new autobiography written by the late Peter Betts, who was the UK and EU lead negotiator at various COPs, including 2015’s pivotal COP21 in Paris. Betts, who died of brain cancer in October 2023, used his book to lay out his views on how to reform COPs – a topic Carbon Brief recently asked a range of experts about, too.

Of course, the UNFCCC and COP process has its shortcomings. For example, I would be the first to acknowledge that progress on finance, adaptation and loss and damage has been too slow. But I would argue that it would not have happened at all without the central global discussion afforded by the COPs, at which vulnerable countries always have a strong voice.

The alternative to COPs – often put forward by big and powerful countries – is to do everything within the G20, perhaps complemented by plurilateral cooperation between big states. No one would be more pleased to see the end of the COP process than big oil and gas interests in the US who sought to undermine COPs throughout my decade or more in negotiations.

My experience was that excluding the vulnerable countries led to lower-ambition outcomes which the US and emerging economies were comfortable with. The vast bulk of vulnerable countries would be horrified to lose the COPs, since it guarantees them a voice.

Overall, then, I believe that the case for keeping a global forum, where all have a seat at the table and, therefore, the most vulnerable have a voice, is overwhelming, and this is the UNFCCC. It is an indispensable political moment every year to rally the forces of ambition for climate change (and, to paraphrase Voltaire, if we didn’t have it, we would need to invent it). There are, however, two improvements that could be made to the way COPs operate.

1: The second stocktake

Formal stocktakes occur every five years, at a point two years before the next five-yearly ambition cycles of the COPs (such as Paris and Glasgow). But there is almost no focus by the media or NGOs on the announcements of NDCs [nationally determined contributions], especially those of “developing countries”, despite the importance of NDCs’ impact on climate goals.

In the run-up to the five-yearly stocktakes there should be a moment, perhaps a third of the way through the year, where we can see where we stand, individually and collectively, following the NDCs that have been announced. If some countries’ proposals are weak, those countries should be pressured to do more; if some have not submitted a proposal at all, then that should be highlighted.

It seems unlikely that the big economies would agree a formal process change, as when I have suggested such a second stocktake “moment” to various partners they have expressed concerns that it would be controversial. However, civil society should look to create this moment outside the formal process with analysis and media-friendly events which would provide an opportunity to assess (and put pressure on) relative, proposed contributions.

Peter Betts at Windsor Castle in 2021.
Peter Betts at Windsor Castle in 2021. Credit: PA Images / Alamy Stock Photo

2: Annex membership

Second, we should review membership of the annexes to the convention, which set out who is “developed” and who is a “developing” country. We need a step change in support for emerging economies to help them make the transition to low carbon, which is increasingly affordable and will bring them other benefits. This means much more finance from Annex II countries, complemented by finance from China (the world’s biggest sovereign investor) and from Gulf states, who have grown rich on selling fossil fuels.

Sadly, however, I doubt whether it will be possible to negotiate changes to membership of the annexes, even though that was required by the convention to happen by 1998. But could countries such as China and the Gulf states not voluntarily step into Annex I and/or even Annex II?

Non-Annex I countries now constitute nearly two-thirds of global emissions and are likely to be a far higher proportion of emissions growth. So, if we want to limit climate change, it is these emissions we need above all to target. Of course, we must complement this by quicker action by Annex I countries, perhaps alongside negative emissions, and we must provide much more serious help to some non-Annex I countries.

Adapted from The Climate Diplomat: A Personal History of the COP Conferences by Peter Betts, published by Profile on 28 August and available now.

Watch, read, listen

KATRINA: Twenty years on from the category-five hurricane that devastated New Orleans, the Times had a lengthy feature about the “flood, failures and chilling aftermath”. Netflix also released a three-part series about the disaster.

SLOP: DeSmog investigated the websites using AI-generated content citing non-existent climate experts and institutions.

FAILED MODEL: Pakistani journalist Arifa Noor lamented in Dawn the “development model” being adopted by the nation’s “ruling elite” amid the “rage of climate change”.

Coming up

Pick of the jobs

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

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The post DeBriefed 29 August 2025: Record wildfires; Solar myths factchecked; Climate veteran on COP reform appeared first on Carbon Brief.

DeBriefed 29 August 2025: Record wildfires; Solar myths factchecked; Climate veteran on COP reform

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How clean energy can boost business for Africa’s food producers

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Despite millions of dollars in grants and technical help for African businesses to power farming and other food production activities with renewable energy, most efforts remain stuck at the early stages because they struggle to find the investors, markets and expertise they need to grow.

This was the message from a coalition of global institutions working on energy, water and agriculture at this month’s Africa Food Systems Forum in Kigali, Rwanda.

“Energy, agriculture, water and nutrition actors rarely design solutions together,” the Agri-Energy Coalition said in a Call to Action on powering food systems with clean energy.

Using more renewables – especially solar power – to drive food systems would reduce food losses, ensure year-round availability and affordability of healthy foods, and improve productivity, income and resilience among farmers, food processors and other small enterprises, the coalition added.

In an interview with Climate Home News at the forum, Olamide Niyi-Afuye, CEO of the Africa Minigrid Developers Association (AMDA) – a body representing private-sector developers of small-scale, off-grid electricity systems across the continent – said its members are starting to recognise this interdependence and are increasingly considering businesses that combine energy with agricultural activities.

    This, Niyi-Afuye added, could lead to greater supply and use of clean power for key processes like irrigation, food processing and storage, creating new sources of revenue for both sectors.

    CHN: Conversations at the Africa Food Systems Forum highlighted how organisations working in energy and agriculture often operate in silos. What has hampered their collaboration, and how has that affected Africa’s economic development?

    A: Most mini-grid companies in Africa were primarily incentivised to achieve connections. If you look at some ongoing projects, you see a cost-per-connection model [of revenue]. When a subsidy is tied to achieving a connection, regardless of whether it is a productive connection, you might not notice the problem until five years down the line, when you realise the cash flows are not what you projected.

    Despite African walkout, fractious land COP ends without drought deal

    So now we’re in a “come-to-Jesus moment” as an industry, where we’re righting the wrongs and adjusting our business models to make sure companies do not go bust and there is some level of sustainability over the long term.

    The saying is not wrong that we’ve been working in our own silos because we’ve focused on the smaller things instead of the helicopter view. There needs to be cross-pollination [between the energy and agriculture sectors] because, if we are thinking about industrialisation, energy is a key driver of industrialisation. We will not achieve that if we’re not in the room and part of those conversations.

    CHN: Productive use of energy is intended to ensure electricity access goes beyond lighting homes to improving livelihoods, creating jobs and powering equipment. But what happens when farmers cannot afford the equipment they need to do that? How can energy, agriculture and equipment players work together to make the transition more accessible?

    A: That’s why we’re having conversations with companies set up to de-risk the agriculture sector. By leveraging that connection, we’re able to aggregate potential energy needs and develop instruments that make equipment more affordable through bulk procurement.

    We can have arrangements that make it easier for farmers and food producers to lease equipment and eventually own it over a period. There’s no real pressure to recover the capital very quickly because you’re looking at scale.

    Rice farmer Danjuma Okuwa adjusts his newly installed electric rice milling machine at his compound in Rukubi, Nasarawa, Nigeria, September 27, 2022. (Thomson Reuters Foundation/Afolabi Sotunde)

    Rice farmer Danjuma Okuwa adjusts his newly installed electric rice milling machine at his compound in Rukubi, Nasarawa, Nigeria, September 27, 2022. (Thomson Reuters Foundation/Afolabi Sotunde)

    There is a whole lot across the agricultural value chain that needs energy, from farming and harvesting to food processing and value-addition. We need to understand the energy needs across the value chain and bring our members in to provide solutions.

    Developers do not necessarily need to provide every productive-use solution themselves. They can partner with equipment suppliers, financiers, agribusinesses and other service providers to enable customers to use electricity productively. The objective is simple: do not just electrify communities; enable economic activity that uses that electricity.

    CHN: When Africa’s industrialisation is discussed, you hear things like renewables cannot provide enough baseload, while some food processors are sceptical about switching to renewable energy because of these concerns about reliability. What is your response?

    A: It’s not a controversial statement to say that a typical baseload is usually from the grid, and it’s usually from multiple sources including renewable energy. For large-scale operations, we can look at blending multiple sources of energy. But how do we solve the problem of a mid-sized farmer? We can solve it with a mini-grid using renewable energy.

    Comment: Every country needs a model to help optimise its energy transition

    If you go to a small farmer in a rural area, they don’t care about what source of energy they’re getting. They just want something that can help them get from A to B. If you look at the direct energy needs of farmers and food processors, I’m sure 90 percent of their consumption can be solved by renewable energy. Let’s start with that problem first. Then, as they scale, they might need to ramp up, and we can start talking about a bigger baseload.

    CHN: How much agricultural value is lost because farmers and food businesses lack reliable, affordable electricity?

    A: If you look at, for example, the fact that we need to maybe plant tomatoes or strawberries in Jos before it gets to Lagos [Nigeria], which most likely is by road, I can assure you that a good chunk, if not stored properly, would be bad by then. So the fact that we do not have energy is in itself a lost opportunity to maximise the potential of the agriculture sector. So until we’ve solved the energy problem, we will not salvage waste – and for me that is a lost opportunity.

    CHN: AGRA, an institution focused on scaling agricultural innovations to help smallholder farmers, estimates a massive shortfall between current investments in the continent’s food systems and what is actually needed to build a resilient, profitable agricultural economy – to the tune of $180 billion per year. Can integrating energy into food systems help bridge that gap?

    A: Yes – if energy can help unlock the potential to earn more money, investors will follow the money. Investments go where there is certainty, and until there is certainty around cash flow and revenue, investment will be limited.

    My vision is to see more Power Purchase Agreements (PPAs) being signed between energy players and the agriculture sector. We can start by getting people into the room, understanding their pain points, crafting a framework and documentation that works for both parties, and then seeing deals happen.

    This interview was shortened and edited for clarity.

    The post How clean energy can boost business for Africa’s food producers appeared first on Climate Home News.

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    Climate Change

    Human security relies on adapting to the world’s new climate reality

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    Cristina Rumbaitis del Rio is a senior advisor on adaptation and resilience with the United Nations Foundation and Mattias Söderberg is global climate lead at Danish NGO DanChurchAid.

    Recent extreme events – from wildfires and heatwaves in Europe to flash flooding following a glacier collapse in Nepal – have shocked and devastated communities, bringing years of warnings about such climate impacts to the doorstep of communities around the world.

    One thing is certain: the new climate reality is here – and the adaptation strategies designed for yesterday’s world are no longer sufficient.

    Attribution science has since shown that the hotter and more frequent heatwaves we’re experiencing around the world would have been virtually impossible without today’s high concentrations of greenhouse gases in the atmosphere. Climate shocks are now so severe that they reverberate through supply chains, food and water systems, financial markets and the movement of people.

      They must be a catalyst for a new way of thinking about adaptation and resilience, and how we finance solutions that work. A failure to invest in adaptation in one region can create costs far beyond it, which is why the concept of shared resilience is critical for leaders to grasp.

      Investment not charity

      At the UN General Assembly (UNGA 81) this month, leaders have an opportunity to translate today’s urgency into concrete commitments on adaptation and loss and damage finance ahead of COP31.

      Those commitments are needed to underpin global stability, shared prosperity and human security. Governments should use this moment to show what a new response looks like: finance that reaches communities faster, supports locally grounded solutions, strengthens national systems, and helps countries prepare before the next shock arrives.

      If we want sustained economic growth, food and water security, and resilient and prosperous societies across every region, adaptation must be at the heart of today’s development and security agenda. It cannot be just a future planning consideration or a narrow issue for climate ministries. Adaptation is now everyone’s business – and it must be financed fast and fair.

      UN Secretary-General António Guterres has repeatedly framed climate finance as an investment rather than charity, warning that “a world in climate chaos cannot be a world at peace” and describing human security as freedom from the chronic and sudden disruptions that climate change multiplies.

      What’s more, adaptation delivers a real return-on-investment, with researchers estimating that every dollar invested produces $10 in benefits, saving lives, protecting livelihoods, and reducing the costs of future disasters.

      Hitting adaptation limits

      The urgency to scale adaptation systematically is growing. The newly released “Limiting Overshoot” report from the UN Environment Programme (UNEP) confirms what scientists have long warned: exceeding global warming of 1.5C is now unavoidable under current policies. Yet, how high temperatures rise – and how long the world remains above the 1.5C threshold – will determine whether communities, economies and entire ecosystems can keep pace.

      There are limits to adaptation. When we breach those limits, lives and livelihoods are lost, and people and ecosystems suffer greatly. We cannot simply build yesterday’s infrastructure a little stronger and assume it will be enough.

      Nepal flood destruction shows “limits to adaptation”, scientists say

      We need to fundamentally change the systems that determine how societies anticipate, absorb and recover from both immediate and evolving non-linear climate shocks. This includes transforming physical systems, such as infrastructure, and the governance systems that affect where and how we live to how we maintain our health and wellbeing.

      Finance today is nowhere near the scale of the challenge.

      The UNEP “Adaptation Gap Report 2025” estimates the shortfall in adaptation finance in developing countries at $284 billion–$339 billion a year – roughly 12 to 14 times current international public flows of around $26 billion. That gap is a development, economic and human security problem, especially for the most vulnerable populations who have contributed the least to causing the climate crisis.

      Building resilience into financial systems

      There are already signs of what a more systemic adaptation response could look like. Communities around the world are delivering practical solutions at local level, even as adaptation finance remains notoriously, and appallingly, difficult to access. Cyclone-resistant homes, local forecasting capacities, drought-resistant crops, heat insurance for pregnant informal workers and mangrove restoration are rooted in local knowledge and lived experience, while delivering benefits far beyond the communities where they originate from.

      But local innovation alone is not enough; the systems around it need to be resilient too.

      Jamaica offers one example. The country has built a multi-layered disaster-risk financing framework, including a catastrophe bond and contingency funds, through sustained fiscal discipline and proactive investment. Its debt-to-GDP ratio fell from around 147% in 2012 to around 62% in 202-25. That groundwork matters when disaster strikes.

      Hurricane Melissa’s destruction shows need for climate resilience push

      Following Hurricane Melissa, Jamaica was able to secure billions of dollars in reconstruction financing from multilateral banks – finance that might otherwise have been much harder to access. The lesson is clear: resilience can be built into the financial architecture of a country before a crisis arrives. That is the shift we now need to make at scale.

      The foundations already exist – in Kingston’s fiscal reforms, in early-warning systems from the Sahel to the Pacific, and in every community that adapted before disaster struck. What is still missing is the political will, and the finance, to take what works and put it to work everywhere, at the speed our world’s new climate reality demands.

      To hear more on this issue from high-level officials and experts, sign up for this event during Climate Week NYC, at 8am EDT on September 24 (in person or online), moderated by Climate Home News Editor Megan Rowling: Adapting to the New Climate Reality: Why Accelerating Impacts Demand New Responses.

      The post Human security relies on adapting to the world’s new climate reality appeared first on Climate Home News.

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      Framing the climate science debate as a binary battle isn’t just wrong – it’s dangerous

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      Lidy Nacpil is the coordinator of Asian Peoples’ Movement on Debt and Development (APMDD).

      Recent reporting on international climate negotiations has highlighted a sharpening divide within civil society and multilateral diplomacy. A troubling, simplistic narrative has taken root: that the UN climate process is witnessing a binary struggle between defenders of science and those attacking it.

      This framing is not only inaccurate; it is dangerous. Characterising a substantive methodological and political debate in these terms misdiagnoses the stakes and stirs conflict instead of clarity.

      No one disputes that climate action must rest on science. Science tells us what has led us to the climate crisis – the accumulation of historical emissions – and how much carbon budget remains if we are to keep temperature rise below 1.5C. It tells us how much global emissions must drop, and how fast. Science is also essential in assessing each country’s historical contribution to the accumulation of greenhouse gases in the atmosphere.

      Responsibility, however, must also be based on capacity. For those who generated the largest share of historical emissions, that capacity includes the enormous wealth and economic power accumulated through the same fossil-fuel-intensive development that generated those emissions.

      As science comes under attack at UN talks, climate movement splits over how to respond

      While principles that should guide human action aren’t scientific questions – they are matters of values – applying them to real-world problems requires scientific grounding. Equity recognises the scientifically established reality of differentiated responsibilities among countries and within societies. Putting equity into practice demands scientific rigour.

      Scrutiny of IPCC models

      Today, critics are scrutinising the assumptions and frameworks behind the Intergovernmental Panel on Climate Change’s Integrated Assessment Models (IAMs), used to project future scenarios and map global mitigation pathways. These concerns centre squarely on equity and justice.

      The economic, technological and policy assumptions used in IAM scenarios are normative choices rather than scientifically prescribed or neutral facts. These include choices about discount rates, economic growth, energy demand, technology costs, carbon prices, land availability and the regional location of mitigation. Many IAM scenarios reproduce existing global inequalities rather than transform them. Questions about transparency, representativeness and diversity in the scientific process are deeply urgent.

      Most IAM scenarios are built primarily around global cost-effectiveness – directing emissions reductions to places where mitigation is modelled as cheapest rather than allocating effort according to historical responsibility, capacity and development needs.

      The resulting pathways allow developed countries to retain disproportionately high levels of energy and fossil-fuel consumption while requiring developing countries to undertake substantial mitigation and carbon removal, including land-based measures that threaten food security and local development.

      Northern models often assume uniform access to cheap financing. In reality, Global South economies face far higher capital costs, driving up the price tag of rapid infrastructure shifts.

      Constraints on development space

      Scenario constraints also limit the development space poorer nations need without guaranteeing adequate climate finance. When models treat profoundly unequal starting points as uniform baselines, policy pathways lock in global inequality under the banner of scientific objectivity.

      Pointing out these structural flaws isn’t rejecting science. It is essential scientific scrutiny aimed at producing stronger, fairer, and more actionable results.

      Science ‘under attack’ from fossil fuel interests at UN climate talks

      The fight is not about whether we want to keep temperature rise below 1.5C, but about how we get there. A pathway can be technically compatible with 1.5C or 2C while still being deeply unequal in who gets to consume energy, who must reduce emissions, and whose development is constrained. Temperature compatibility alone does not make a pathway fair.

      Critiquing IAM scenarios from an equity perspective is neither an attack on the Intergovernmental Panel on Climate Change (IPCC) nor an attack on science. Rigorously examining IPCC reports – their substance, assumptions, and processes – is an acknowledgement of the IPCC’s importance and entirely consistent with scientific method.

      Tensions over AR7 timing

      There is a separate but related tension over the cycle and timeline of the IPCC’s Seventh Assessment Report (AR7). Some governments and civil society voices advocate completing its Working Group reports in time to feed directly into the UN’s Second Global Stocktake in 2028.

      The motivation makes sense: policymakers need timely science. But several developing-country negotiators and researchers have warned that meeting that deadline could severely disadvantage the Global South.

      Funding gap threatens next round of IPCC climate science reports, chair warns

      Global North authors and institutions remain disproportionately represented in the research underlying IAM assessments. Developing-country researchers often work with fewer institutional resources, smaller research budgets, and less administrative support. Accelerated publishing and assessment schedules can further limit their ability to generate, submit, and peer-review research in time for inclusion.

      The AR7 timeline concerns boil down to inclusivity, representation, and equity. Requiring the IPCC to meet tight political calendars without ensuring meaningful support and participation for developing-country researchers risks reproducing the very inequalities being challenged.

      Cooperation requires equity

      Political interests are indeed at work in UNFCCC negotiations and must be surfaced. Bad-faith actors seek to evade fossil-fuel phase-outs or shirk climate-finance obligations. Many developed country parties are guilty of both, including those who style themselves as “Friends of Science.”

      We must not lump legitimate scientific critiques raised by several Global South researchers and many civil society organisations concerning representation, economic assumptions and fair-share accounting together with obstructionism. Doing so risks misrepresenting and delegitimising critical scientific work and Global South equity and justice perspectives.

      The climate movement is strongest when it aligns rigorous science with global equity and justice. Achieving the Paris Agreement’s goals requires robust science that fully integrates the experiences, economic realities and academic contributions of the Global South. Effective climate action also requires international cooperation, and without equity, such cooperation cannot be sustained. We do not have to choose between science and equity. We need both.

      The post Framing the climate science debate as a binary battle isn’t just wrong – it’s dangerous appeared first on Climate Home News.

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