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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

Deadly flooding

VALENCIA FLOODS: Spain is facing its worst flooding “in generations”, with more than 158 people killed in its third-largest city, Valencia, BBC News reported. On Thursday, more than 1,200 emergency staff worked to rescue people “as rains continued to threaten parts of the country”, the broadcaster said. An editorial in Spanish newspaper El País described the event as “a painful reminder that Spain is on one of the front lines of the climate crisis”.

CLIMATE ATTRIBUTION: The Associated Press reported that, according to a “rapid but partial” attribution study by World Weather Attribution, climate change “made Spain’s rainfall about 12% heavier and doubled the likelihood of a storm as intense as this week’s deluge of Valencia”. The Financial Times reported that sea surface temperatures “far above normal levels” in the Mediterranean helped to fuel the storm.
NEW DANGER: Meanwhile, Tropical Storm Trami has triggered devastating floods and landslides in the Philippines, CNN reported. The outlet quoted president Ferdinand Marcos, who said: “This is climate change. This is all new, so we have to come up with new solutions.” Authorities have reported at least 150 deaths due to the storm and a subsequent typhoon that has struck the region, according to the Philippine Star. Meanwhile, Taiwan also faced its largest typhoon in decades, the Guardian reported.

UK climate plans

CLEAN ENERGY BOOST: The first budget of the new UK Labour government contained plans to “beef up” investment in its “clean energy mission”, BusinessGreen reported. The website pointed to new fiscal rules to boost public spending on “green infrastructure”, plus investment in carbon capture and storage (CCS), green hydrogen and electric car supply chains.

GREEN BUDGET?: The Guardian said “reactions were mixed” on how “green” the budget was. The newspaper noted that, despite higher taxes on air passengers, the government was criticised for maintaining a “freeze” on fuel duty for petrol and diesel and loosening a cap on the price of bus tickets. Carbon Brief has published a rundown of the budget’s key climate and energy announcements.
NEW GOAL: Meanwhile, the UK government’s climate adviser the Climate Change Committee (CCC) has recommended that the nation should make an international pledge to cut its emissions to 81% below 1990 levels by 2035, according to the Press Association. The advice aligns with the UK’s existing domestic target, the Financial Times added. Carbon Brief covered the CCC’s advice, which will influence the target the UK is expected to present at the upcoming COP29 climate summit.

Around the world

  • BAD RECORD: Greenhouse gases in the atmosphere reached “record” levels in 2023, with carbon dioxide (CO2) at a concentration last seen a few million years ago, according to new World Meteorological Organization figures covered by BBC News.
  • NO DEAL: The EU has imposed tariffs on Chinese-made electric vehicles after China failed to secure a deal to halt their passage, according to the South China Morning Post. In response, Reuters reported that China has told carmakers to halt big investments in European countries that support the tariffs, including France and Italy.
  • RISING SEAS: At a meeting in Samoa, Commonwealth nations agreed on an “ocean declaration”, which recognised existing maritime boundaries in nations that lose land to sea-level rise, according to the Associated Press.
  • FAKE COP: “Apparently fake” social media accounts are being used to boost Azerbaijan’s hosting of COP29, according to a Global Witness investigation reported by the Guardian. The accounts have been drowning out online criticism of the nation’s poor record on human rights, it added.

8.3%

The proportion by which EU greenhouse gas emissions fell in the past year – the sharpest drop since the pandemic, but “still not on track” for its climate targets, reported EuroNews.

Latest climate research

  • A new study in the journal npj Climate and Atmospheric Science suggested that more than half of the 60,000 deaths caused by Europe’s summer heatwave of 2022 can be attributed to global warming.
  • A global area of forest bigger than Mexico has the potential for natural forest restoration, which could store more than 23bn tonnes of carbon over the course of three decades, according to new research published in Nature.
  • Only one in seven news articles published in the English-language press in India about a 2022 heatwave mentioned the links to climate change, new research in Environmental Communication found. The figure was even lower for articles written in Hindi, Telugu and Marathi, it added.

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

Captured

China's wind and solar growth continues to break records in 2024

Additions of new solar and wind generating capacity in China continue to break last year’s records, according to new analysis for Carbon Brief by Lauri Myllyvirta, lead analyst at the Centre for Research on Energy and Clean Air. The growth in China’s solar-power output this year alone is on track to equal the total power generation of Australia or Vietnam in 2023, based on growth rates during the first nine months of the year. The wider analysis by Myllyvirta found that China’s emissions remained flat in the third quarter of the year, leaving open the possibility that its emissions could drop in 2024.

Spotlight

Coming to consensus in Cali?

This week, Carbon Brief reports on the ground in Cali, Colombia, as the COP16 biodiversity talks inch towards their finale.

Tensions are running high and energy is running low as COP16 nears its end, with plenary sessions dragging on long into the nights.

Connectivity issues have plagued the two weeks of the summit, with WiFi signals shaky at best. Translation services have also proven cumbersome in both negotiating rooms and the press centre. Countries with small delegations have complained of being forced to prioritise certain negotiation tracks, while being shut out of others due to a lack of capacity.

Rather than coming towards consensus in the summit’s final days, observers tell Carbon Brief, countries are seemingly entrenching their positions even further.

In a statement shared with Carbon Brief, Oscar Soria, an activist with the Common Initiative and a veteran COP-goer, said:

“What we are seeing at this COP is an unprecedented high level of distrust between developing and developed countries.”

With the talks scheduled to end on Friday, Carbon Brief analysis shows that there are still nearly 700 brackets denoting areas of disagreement remaining in the decision texts. (Biodiversity COPs tend to run over their scheduled finish time.)

Below are four of the key issues negotiators are tasked with addressing – and how progress has been made on each.

Finance

Negotiations around finance at COP16 fall under two tracks: mobilising funds; and the financial mechanism for disbursing them.

Developing countries are unsatisfied with a decision at COP15 to create a Global Biodiversity Framework Fund – hosted at the Global Environment Facility in the US – and would rather see a fund that is governed by the COP itself, while developed countries want to maintain the status quo.

On resource mobilisation, money has been slow to trickle in, with additional pledges made at the summit towards the new fund totalling just $163m.

Carbon Brief understands that it is looking increasingly likely that parties will agree to revisit the issue during intersessional meetings next year.

Digital sequence information

The use of genetic resources, known as digital sequence information (DSI), is one of the key issues at COP16 – and is tied in closely to the fights around finance.

Biodiverse countries, many of whom are in the global south, want mandatory payments from companies that profit from genetic code sourced within their borders (for example, genes that are used in drug development).

Countries with strong pharmaceutical and other industries are pushing for voluntary payments only. As of Thursday evening, both options remained on the table.

Indigenous rights

Another key topic at COP16 is how to recognise the contributions of Indigenous people, who play an outsized role in protecting biodiversity globally.

In Cali, countries have agreed to adopt a programme of work to implement Article 8(j) of the Convention on Biological Diversity (CBD), which deals with respecting and preserving Indigenous knowledge.

However, Indigenous representatives are also calling for negotiators to agree to a new subsidiary body on Article 8(j), with “a mandate to provide advice” to the CBD.

Monitoring framework

In 2022, countries agreed to the Kunming-Montreal Global Biodiversity Framework, a landmark deal often described as the “Paris Agreement for nature”.

In Cali, negotiators have been tasked with coming up with a set of metrics that can be used to monitor countries’ implementation of the framework.

Discussions so far have been slow, but productive, observers told Carbon Brief.

The framework consists of sets of both mandatory and optional indicators, along with an annex containing technical details.

The general sense is that the monitoring framework that is being negotiated is not perfect, but the need to come to a decision – so countries can monitor their progress ahead of a “stocktake” at the next COP – means parties should agree to the framework here, with a promise to revisit and revise it going forward.

(Carbon Brief will publish a full summary of the COP16 talks after countries reach a deal.)

Watch, read, listen

‘DISTURBING’ PROGRESS: In Cali, the Guardian’s Patrick Greenfield reported on “alarm” raised by experts at a “disturbing” lack of progress at COP16.

AFRICAN ADAPTATION: For African Arguments, two policy experts called for the COP29 climate summit to adopt a clear adaptation goal amid growing climate impacts in Africa.
STOCKTAKE: For BBC Radio 4, environmental journalist Roger Harrabin examined whether the US election of 2000 was “the year we lost climate”.

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.

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The post DeBriefed 1 November 2024: Spain’s deadly floods; UK budget ‘mixed’ on climate; Countries inch towards a deal at COP16 appeared first on Carbon Brief.

DeBriefed 1 November 2024: Spain’s deadly floods; UK budget ‘mixed’ on climate; Countries inch towards a deal at COP16

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Big fishing nations secure last-minute seat to write rules on deep sea conservation

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January 20, 2026

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As a treaty to protect the High Seas entered into force this month with backing from more than 80 countries, major fishing nations China, Japan and Brazil secured a last-minute seat at the table to negotiate the procedural rules, funding and other key issues ahead of the treaty’s first COP.

The Biodiversity Beyond National Jurisdiction (BBNJ) pact – known as the High Seas Treaty – was agreed in 2023. It is seen as key to achieving a global goal to protect at least 30% of the planet’s ecosystems by 2030, as it lays the legal foundation for creating international marine protected areas (MPAs) in the deep ocean. The high seas encompass two-thirds of the world’s ocean.

Last September, the treaty reached the key threshold of 60 national ratifications needed for it to enter into force – a number that has kept growing and currently stands at 83. In total, 145 countries have signed the pact, which indicates their intention to ratify it. The treaty formally took effect on January 17.

    “In a world of accelerating crises – climate change, biodiversity loss and pollution – the agreement fills a critical governance gap to secure a resilient and productive ocean for all,” UN Secretary-General António Guterres said in a statement.

    Julio Cordano, Chile’s director of environment, climate change and oceans, said the treaty is “one of the most important victories of our time”. He added that the Nazca and Salas y Gómez ridge – off the coast of South America in the Pacific – could be one of the first intact biodiversity hotspots to gain protection.

    Scientists have warned the ocean is losing its capacity to act as a carbon sink, as emissions and global temperatures rise. Currently, the ocean traps around 90% of the excess planetary heat building up from global warming. Marine protected areas could become a tool to restore “blue carbon sinks”, by boosting carbon absorption in the seafloor and protecting carbon-trapping organisms such as microalgae.

    Last-minute ratifications

    Countries that have ratified the BBNJ will now be bound by some of its rules, including a key provision requiring countries to carry out environmental impact assessments (EIA) for activities that could have an impact on the deep ocean’s biodiversity, such as fisheries.

    Activities that affect the ocean floor, such as deep-sea mining, will still fall under the jurisdiction of the International Seabed Authority (ISA).

    Nations are still negotiating the rules of the BBNJ’s other provisions, including creating new MPAs and sharing genetic resources from biodiversity in the deep ocean. They will meet in one last negotiating session in late March, ahead of the treaty’s first COP (conference of the parties) set to take place in late 2026 or early 2027.

    China and Japan – which are major fishing nations that operate in deep waters – ratified the BBNJ in December 2025, just as the treaty was about to enter into force. Other top fishing nations on the high seas like South Korea and Spain had already ratified the BBNJ last year.

    Power play: Can a defensive Europe stick with decarbonisation in Davos?

    Tom Pickerell, ocean programme director at the World Resources Institute (WRI), said that while the last-minute ratifications from China, Japan and Brazil were not required for the treaty’s entry into force, they were about high-seas players ensuring they have a “seat at the table”.

    “As major fishing nations and geopolitical powers, these countries recognise that upcoming BBNJ COP negotiations will shape rules affecting critical commercial sectors – from shipping and fisheries to biotechnology – and influence how governments engage with the treaty going forward,” Pickerell told Climate Home News.

    Some major Western countries – including the US, Canada, Germany and the UK – have yet to ratify the treaty and unless they do, they will be left out of drafting its procedural rules. A group of 18 environmental groups urged the UK government to ratify it quickly, saying it would be a “failure of leadership” to miss the BBNJ’s first COP.

    Finalising the rules

    Countries will meet from March 23 to April 2 for the treaty’s last “preparatory commission” (PrepCom) session in New York, which is set to draft a proposal for the treaty’s procedural rules, among them on funding processes and where the secretariat will be hosted – with current offers coming from China in the city of Xiamen, Chile’s Valparaiso and Brussels in Belgium.

    Janine Felson, a diplomat from Belize and co-chair of the “PrepCom”, told journalists in an online briefing “we’re now at a critical stage” because, with the treaty having entered into force, the preparatory commission is “pretty much a definitive moment for the agreement”.

    Felson said countries will meet to “tidy up those rules that are necessary for the conference of the parties to convene” and for states to begin implementation. The first COP will adopt the rules of engagement.

    She noted there are “some contentious issues” on whether the BBNJ should follow the structure of other international treaties such as the Convention on Biological Diversity (CBD), as well as differing opinions on how prescriptive its procedures should be.

    “While there is this tension on how far can we be held to precedent, there is also recognition that this BBNJ agreement has quite a bit to contribute in enhancing global ocean governance,” she added.

    The post Big fishing nations secure last-minute seat to write rules on deep sea conservation appeared first on Climate Home News.

    Big fishing nations secure last-minute seat to write rules on deep sea conservation

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    Climate Change

    Climate at Davos: Energy security in the geopolitical driving seat 

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    January 20, 2026

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    The annual World Economic Forum got underway on Tuesday in the Swiss ski resort of Davos, providing a snowy stage for government and business leaders to opine on international affairs. With attention focused on the latest crisis – a potential US-European trade war over Greenland – climate change has slid down the agenda.

    Despite this, a number of panels are addressing issues like electric vehicles, energy security and climate science. Keep up with top takeaways from those discussions and other climate news from Davos in our bulletin, which we’ll update throughout the day.

    From oil to electrons – energy security enters a new era

    Energy crises spurred by geopolitical tensions are nothing new – remember the 1970s oil shock spurred by the embargo Arab producers slapped on countries that had supported Israel during the Yom Kippur War, leading to rocketing inflation and huge economic pain.

    But, a Davos panel on energy security heard, the situation has since changed. Oil now accounts for less than 30% of the world’s energy supply, down from more than 50% in 1973. This shift, combined with a supply glut, means oil is taking more of a back seat, according to International Energy Agency boss Fatih Birol.

    Instead, in an “age of electricity” driven by transport and technology, energy diplomacy is more focused on key elements of that supply chain, in the form of critical minerals, natural gas and the security buffer renewables can provide. That requires new thinking, Birol added.

    “Energy and geopolitics were always interwoven but I have never ever seen that the energy security risks are so multiplied,” he said. “Energy security, in my view, should be elevated to the level of national security today.”

    In this context, he noted how many countries are now seeking to generate their own energy as far as possible, including from nuclear and renewables, and when doing energy deals, they are considering not only costs but also whether they can rely on partners in the long-term.

      In the case of Europe – which saw energy prices jump after sanctions on Russian gas imports in the wake of Moscow’s invasion of Ukraine – energy security rooted in homegrown supply is a top priority, European Commission President Ursula von der Leyen said in Davos on Tuesday.

      Outlining the bloc’s “affordable energy action plan” in a keynote speech at the World Economic Forum, she emphasised that Europe is “massively investing in our energy security and independence” with interconnectors and grids based on domestically produced sources of power.

      The EU, she said, is trying to promote nuclear and renewables as much as possible “to bring down prices and cut dependencies; to put an end to price volatility, manipulation and supply shocks,” calling for a faster transition to clean energy.

      “Because homegrown, reliable, resilient and cheaper energy will drive our economic growth and deliver for Europeans and secure our independence,” she added.

      Comment – Power play: Can a defensive Europe stick with decarbonisation in Davos?

      AES boss calls for “more technical talk” on supply chains

      Earlier, the energy security panel tackled the risks related to supply chains for clean energy and electrification, which are being partly fuelled by rising demand from data centres and electric vehicles.

      The minerals and metals that are required for batteries, cables and other components are largely under the control of China, which has invested massively in extracting and processing those materials both at home and overseas. Efforts to boost energy security by breaking dependence on China will continue shaping diplomacy now and in the future, the experts noted.

      Copper – a key raw material for the energy transition – is set for a 70% increase in demand over the next 25 years, said Mike Henry, CEO of mining giant BHP, with remaining deposits now harder to exploit. Prices are on an upward trend, and this offers opportunities for Latin America, a region rich in the metal, he added.

      At ‘Davos of mining’, Saudi Arabia shapes new narrative on minerals

      Andrés Gluski, CEO of AES – which describes itself as “the largest US-based global power company”, generating and selling all kinds of energy to companies – said there is a lack of discussion about supply chains compared with ideological positioning on energy sources.

      Instead he called for “more technical talk” about boosting battery storage to smooth out electricity supply and using existing infrastructure “smarter”. While new nuclear technologies such as small modular reactors are promising, it will be at least a decade before they can be deployed effectively, he noted.

      In the meantime, with electricity demand rising rapidly, the politicisation of the debate around renewables as an energy source “makes no sense whatsoever”, he added.

      The post Climate at Davos: Energy security in the geopolitical driving seat  appeared first on Climate Home News.

      Climate at Davos: Energy security in the geopolitical driving seat 

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      Climate Change

      A Record Wildfire Season Inspires Wyoming to Prepare for an Increasingly Fiery Future

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      January 20, 2026

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      As the Cowboy State faces larger and costlier blazes, scientists warn that the flames could make many of its iconic landscapes unrecognizable within decades.

      By Jake Bolster

      In six generations, Jake Christian’s family had never seen a fire like the one that blazed toward his ranch near Buffalo, Wyoming, late in the summer of 2024. Its flames towered a dozen feet in the air, consuming grassland at a terrifying speed and jumping a four-lane highway on its race northward.

      A Record Wildfire Season Inspires Wyoming to Prepare for an Increasingly Fiery Future

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