Stephen Cornelius
@climatesteve.bsky.social
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Deputy Global Leader - Climate and Energy at WWF
#ClimateChange
#COP29
I was @SteveJCornelius on X
This is worth a read - factchecking claims (myths) about solar power
#ClimateChange
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30 days ago
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🌍⚖️ Sébastien Duyck
2 months ago
🔥 ⚖️ 🌐HAPPENING NOW: Historic
#ClimateJustice
Ruling being delivered by the 🇺🇳 🧑⚖️ International Court of Justice. 🚨This ruling could signal a new dawn for climate law & accountability 📝 🧵 Live thread below with context, summary & analysis 👇
#ClimateJusticeAO
#AOLetsGo
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WWF Climate and Energy
2 months ago
🔋António Guterres says renewable energy is the greatest economic opportunity of the 21st century. 🌏@manupulgarvidal.bsky.social of
#WWF
comments:
#ClimateAction
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WWF Climate and Energy
2 months ago
🌍 On 23 July, 3:00 PM CEST, Judge Iwasawa Yuji, President of the @CIJ_ICJ, will deliver the Court's historic decision on the obligations of states' with regard to
#ClimateChange
. This decision may be a pivotal moment that leads us to a better future. Read more here:
ow.ly/emUz50WrspZ
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A good start to the Climate Innovation Forum as part of
#LondonClimateActionWeek
including telling people that
#ClimateAction
is happening
#LCAW25
#CIF25
#ClimateChange
3 months ago
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I'm looking forward to meeting people at
#LondonClimateActionWeek
Before then, read this op-ed by the mayors of London and Paris on disinformation and misinformation and the backlash to
#ClimateAction
www.theguardian.com/commentisfre...
#ClimateChange
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In London and Paris, we’ve experienced vicious backlash to climate action. But we’re not backing down | Sadiq Khan and Anne Hidalgo
Around the world, well-funded, organised climate deniers are spreading lies about the crisis. We call on governments and tech companies to step up, say London mayor Sadiq Khan and Paris mayor Anne Hid...
https://www.theguardian.com/commentisfree/2025/jun/23/london-paris-vicious-backlash-climate-action-sadiq-khan-anne-hidalgo
3 months ago
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WWF Climate and Energy
3 months ago
Today, the
#UNFCCC
#JuneClimateMeetings
#SB62
in
#Bonn
kick off &
#WWF
has published a number of papers calling for urgent progress on key issues in the lead up to
@cop30nobrasil.bsky.social
. There is no time to lose! More here:
panda.org/cop30
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WWF Climate and Energy
4 months ago
.@WWF has published its annual Climate & Energy Manifesto 2025. We need political will and bold decisions from leaders more than ever. Read the manifesto here:
bit.ly/4kBPa0f
#ClimateCrisis
#ActOnClimate
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Ed Hawkins
4 months ago
The village of Blatten in Switzerland is partly buried by the collapse of a glacier which melted because our greenhouse gas emissions warmed the climate. Another reminder that choosing to not invest enough today to reduce emissions means far greater costs for society in the long term.
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Weatherwatch: The Met Office fights back against climate misinformation The most impressive part of the Office’s misinformation ‘toolkit’ is its set of answers to climate deniers’ questions
www.theguardian.com/news/2025/ma...
#ClimateChange
@metoffice.bsky.social
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Weatherwatch: The Met Office fights back against climate misinformation
The most impressive part of the Office’s misinformation ‘toolkit’ is its set of answers to climate deniers’ questions
https://www.theguardian.com/news/2025/may/23/weatherwatch-the-met-office-fights-back-against-climate-misinformation?CMP=share_btn_url
4 months ago
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Parents for Climate
4 months ago
Here it is, finally. The truth. In a landmark
#greenwashing
legal case brought by
@parentsforclimate.bsky.social
,
#EnergyAustralia
has publicly acknowledged that offsets do not undo the harms of burning fossil fuels & apologised to more than 400,000 customers of its carbon
#offsetting
product
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Some amazing nature photos here (and some awfully sad ones in the 'Humanity vs Nature' category)
www.theguardian.com/artanddesign...
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A seadragon and flushing worms: Environmental Photography award winners – in pictures
Winning images from the 2025 of Prince Albert II of Monaco Foundation Environmental Photography award, selected from 10,000 images submitted globally
https://www.theguardian.com/artanddesign/gallery/2025/may/15/a-seadragon-and-flushing-worms-environmental-photography-award-winners-in-pictures
4 months ago
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Carbon Brief
5 months ago
NEW – Analysis: Clean energy just put China’s CO2 emissions into reverse for first time |
@laurimyllyvirta.bsky.social
Read here:
buff.ly/6eAcjRU
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WWF Climate and Energy
5 months ago
As the
#climate
crisis intensifies, its effects are becoming impossible to ignore - for both people and nature. That’s why
#TheHerds
, led by a team of puppeteers, are on the move; so far visiting DRC, Nigeria, Senegal & Morocco! Join
#TheHerds
to follow the journey.
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Doug Parr
5 months ago
Unexpected - EU companies increasingly aligned with climate action “Those vocally organising to oppose the energy transition achieve outsized importance across public debate. However, there is a larger, quieter majority that are supportive of decarbonisation”
www.theguardian.com/environment/...
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European firms ramping up lobbying for climate action, report finds
Research shows companies ‘aligned’ with strategies to meet climate goals have risen from 3% in 2019 to 23% in 2025
https://www.theguardian.com/environment/2025/may/14/european-firms-ramping-up-lobbying-for-climate-action-report-finds
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Jan Rosenow
5 months ago
Solar energy has consistently been underestimated. Today, it adds more capacity/yr to global grid than any other source in history. If trend continues, solar will deliver more electricity generation/yr than any technology before it. Graph from
@nathanielbullard.com
- great newsletter
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Sam Burgess
5 months ago
How are
#heatwaves
changing in
#Europe
? According to the European
#Climate
Report, 2024 saw: 🌡️ Record-breaking ‘strong heat stress’ days and tropical nights in southeastern Europe during summer 🥵 In recent decades, heat has been the leading cause of reported deaths due to extreme weather 🌍🧪⚒️🌡️🌊
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WWF Climate and Energy
5 months ago
Achieving energy security for all means one crucial step: ending the world’s dependence on
#FossilFuels
and scaling up
#RenewableEnergy
. WWF calls on countries to include phasing out fossil fuels in their new national climate plans. Here’s our guidance on how:
ow.ly/Gof750VGtyB
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Including fossil fuels phase out in national climate plans is key to energy security and econom
Achieving the Paris Agreement’s global temperature goal of 1.5℃ is only feasible through a comprehensive phase-out of fossil fuels. And countries need to embed these implementation plans in their nati
https://ow.ly/Gof750VGtyB
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Leo Hickman
5 months ago
Pope Francis last year on those who deny climate science: "There are people who are foolish, and even foolish if they show you them research. They don't believe it…They don't understand the situation or because of their interest, but climate change exists."
www.dailymail.co.uk/news/article...
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Pope Francis uses first US TV interview to slam climate change deniers
Pope Francis spoke out against climate change deniers, calling them 'fools' in his first ever interview on American television.
https://www.dailymail.co.uk/news/article-13347387/Pope-Francis-uses-TV-interview-slam-climate-change-deniers.html
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WWF Climate and Energy
5 months ago
Climate risks are escalating at record levels, affecting people and nature in unprecedented ways. Read @WWF &
@practicalaction.bsky.social
’s new report on how countries can anchor Loss and Damage into their climate plans and help accelerate national climate action
shorturl.at/aA5eI
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Power-sector CO2 hits ‘all-time high’ in 2024 despite record growth for clean energy
www.carbonbrief.org/power-sector...
“Solar power has become the engine of the global energy transition..."
@carbonbrief.org
6 months ago
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Prof. Stefan Rahmstorf
6 months ago
The 2024 state of the climate report: a report by leading international scientists on recent trends in planetary vital signs. (Ignore at your peril.)
academic.oup.com/bioscience/a...
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Seth Abramson
7 months ago
In a world of Matts, be a Derek.
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Half of world’s CO2 emissions come from 36 fossil fuel firms Coal, oil and gas are the biggest driver of
#ClimateChange
www.theguardian.com/environment/...
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Half of world’s CO2 emissions come from 36 fossil fuel firms, study shows
Researchers say data strengthens case for holding firms to account for their contribution to climate crisis
https://www.theguardian.com/environment/2025/mar/05/half-of-worlds-co2-emissions-come-from-36-fossil-fuel-firms-study-shows
7 months ago
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Valérie Masson-Delmotte
7 months ago
I receive numerous requests from journalists regarding the current situation with the Intergovernemental Panel on Climate Change. I am not involved in the work of the IPCC for the 7th Assessment Cycle (AR7). 1/...
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Prof Michael Meredith 🌊🧪🥼❄️
7 months ago
Climate change will increasingly impact the ocean around Antarctica, and the life within it, as it progresses. Read the new paper by the excellent Ben Fisher and colleagues on how this will happen, what are the implications, and how we can improve our ability to predict the key changes. 🌊❄️🥼🧪
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Climate-driven shifts in Southern Ocean primary producers and biogeochemistry in CMIP6 models
Abstract. As a net source of nutrients fuelling global primary production, changes in Southern Ocean productivity are expected to influence biological carbon storage across the global ocean. Following...
https://bg.copernicus.org/articles/22/975/2025/
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Happy Valentine's Day chocolate lovers... “excessive heat can contribute to a reduction in the quantity and quality of the harvest” Need to cut emissions and adapt
#ClimateChange
www.theguardian.com/environment/...
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Climate crisis contributing to chocolate market meltdown, research finds
Scientists say more-frequent hotter temperatures in west African region are part of reason for reduced harvests and price rises
https://www.theguardian.com/environment/2025/feb/13/climate-crisis-contributing-to-chocolate-market-meltdown-research-finds
7 months ago
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Andrew Dessler
8 months ago
My latest on The Climate Brink: No, renewables don't need expensive backup. In fact, renewables push the most expensive fossil fuel producers out of the market, saving money for the economy.
www.theclimatebrink....
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Simon Evans
8 months ago
NEW: Global EV sales grew 18% year-on-year in Jan 2025 Was this due to the "devastating collapse" of 21% growth in Europe? The "stalling" 12% growth in China? Maybe the "plunging" 22% rise in US/Canada? Or "faltering" 50% rest-of-world growth…? Data: Rho Motion 🤷♂️
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Our World in Data
8 months ago
In 2004, it took the world a year to add a gigawatt of solar power — now it takes a day
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Worth looking at this deck of trends around the world:
#ClimateChange
already has consequences- from coffee, panama canal drying, to 3-years rain in a day in Valencia Fossil fuel use continues to rise Wind, solar, EV investments up, but not fast enough to compensate for increasing
#energy
demand
add a skeleton here at some point
8 months ago
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Copernicus ECMWF
8 months ago
How unusual were 2023 and 2024 compared to the global warming trend, averaging an increase of around 0.2°C per decade? Dive into the analysis of anthropogenic and natural factors 👉
bit.ly/40kQpcz
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James Murray
8 months ago
This is a very strong argument in favour of climate action from
@elpinchbeck.bsky.social
that you don’t hear often enough. It is both conservative and progressive.
www.thetimes.com/article/b729...
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UK’s net-zero guru: ‘Only Londoners say rural folk can’t adapt’
Emma Pinchbeck wants to dispel the myth that saving the planet will mean austere lifestyle changes and says the countryside is forever changing
https://www.thetimes.com/article/b7297373-57d2-49a9-ac97-7156b91ff031?shareToken=d61908119e4fbd73ff7787eef2304164
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A beautiful Blue Dragon we spotted in a rock pool - they eat Portuguese man o' war and other similar siphonophores and absorb their stings as their own defence. The kids knew what it was from National Geographic, but I, and a long-time fisherman friend, had never heard of them!
8 months ago
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Ember
8 months ago
Coal is nearing its end in the EU electricity mix 📉 10 countries were already coal-free and a further 6 countries had less than 5% coal power in 2024. Even Poland – the EU’s most coal-dependent country – saw coal power fall to 54% in 2024, down from 70% just 2 years ago.
ember-energy.org/lat...
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IPBES
8 months ago
Environmental risks dominate
@weforum.org
Global Risks Report 2025. Extreme weather &
#biodiversity
loss top 10-year threats. Pollution rises in short-term urgency. 🌍 The IPBES
#NexusAssessment
just showed how important it is to tackle interlinked crises together.
www.weforum.org/stories/2025...
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Climate records broken like a broken record! It is worth a look at this report by
#CopernicusClimate
Change service The 2024 Annual Climate Summary Global Climate Highlights 2024
climate.copernicus.eu/global-clima...
@copernicusecmwf.bsky.social
#ClimateChange
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Global Climate Highlights 2024
This section looks at the global Climate Indicators for which data are available for all or part of 2023. For more details on each, visit the respective Climate Indicator page. The page will be update...
https://climate.copernicus.eu/global-climate-highlights-2024
8 months ago
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Robin Harvey
8 months ago
Today
#WEF
published its Global Risks Report 2025, which identifies the top four most severe risks over the next ten years to be extreme weather events, biodiversity loss and ecosystem collapse, critical change to Earth systems and natural resources shortages
www.weforum.org/press/2025/0...
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A sadly brilliant
#ClimateChange
cartoon spotted in a gallery. It is by
@cathywilcox.bsky.social
#CoralBleaching
#Oceans
9 months ago
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Happy New Year Bluesky Must do better in 2025!
#ClimateChange
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9 months ago
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#ClimateChange
,
#NatureLoss
and food insecurity are all inextricably linked and dealing with them as separate issues won't work, a major report by
@ipbes.bsky.social
has warned.
#NexusAssessment
bbc.com/news/article...
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IPBES report sees climate, nature and food challenges interlinked
A new approach is needed to tackle the interlinked crises afflicting the planet, scientists warn.
https://bbc.com/news/articles/cwyxkz41knzo
9 months ago
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A white blackbird spotted on the way to the office! It hopped two-footed like a usual blackbird and was with another blackbird. But I've never seen one like this before.
#Nature
10 months ago
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20-25 years ago, it was received wisdom that wind and solar could only supply 10-20% of the grid without chaos. Today, grids handle 50%+ renewables and aim for 100%! The renewable
#energy
revolution is real—cleaner, cheaper, and unstoppable. 🌍⚡
#ClimateChange
#RenewableEnergy
#Innovation
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10 months ago
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Adam Vaughan
10 months ago
Electric cars accounted for 25.1% of all new car sales in the UK last month. You'd think this was a cause to celebrate. But car industry body SMMT claims it's only because of "heavy manufacturer discounting". Meanwhile, in Norway >90% of new car sales are EVs...
www.smmt.co.uk/2024/12/disc...
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Good article "Communities will continue to turn to courts to compel polluters to change course and pay up. Independent judiciaries are critical checks against the whims of changing political administrations and shifting corporate priorities." WWF submission to the ICJ:
wwf.panda.org?11676441/WWF...
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10 months ago
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Dan Visioni
10 months ago
‼️ Finally out ‼️
esd.copernicus.org/articles/15/...
Our work exploring the impact of changes in shipping emissions on 2023 temperatures is now published on ESD. We used the CESM2 LENS and performed new simulations including changes in SOx, unlike the originals. Here are our findings 🧵
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Modeling 2020 regulatory changes in international shipping emissions helps explain anomalous 2023 warming
Abstract. The summer of 2023 saw an anomalous increase in temperatures even when considering the ongoing greenhouse-gas-driven warming trend. Here we demonstrate that regulatory changes to sulfate emi...
https://esd.copernicus.org/articles/15/1527/2024/
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Here are the warming stripes for Belém in Brazil - where the next
#ClimateChange
COP is due to be held in a year. Easy to use and great visuals by
@edhawkins.org
showyourstripes.info/l/southameri...
#ShowYourStripes
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Show Your Stripes
Visualising how the climate has changed for every country across the globe
https://showyourstripes.info/l/southamerica/brazil/belm
10 months ago
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There will be a lot of analysis of
#COP29
, but the best go-to sources are
@carbonbrief.org
(report below) and
@enb.iisd.org
(their summary report normally comes out a day or two after).
enb.iisd.org/baku-un-clim...
#ClimateChange
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10 months ago
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While you wait for the new
#COP29
texts in the huge Baku sports stadium, take 60 seconds to remember why it matters by watching this amazing short film... The Climate Games: There are some records we don't want to break.
#ClimateChange
www.youtube.com/watch?v=V79_...
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https://www.youtube.com/watch?v=V79_MGRdmXo
10 months ago
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Simon Evans
10 months ago
How does "urge" compare with "invite" or "request"? Is "welcome" warmer than "note"? (Yes, obvs!) Here's your complete guide to verbs in UNFCCC text:
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