Total global greenhouse gas (GHG) emissions in 2020 were 54.5GtCO2e, and grew to 57.4 in 2022. The emissions gap for 2030 is defined as the differencebetween the estimated total…Continue readingEmissions Gap Report 2023
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The remainin budget for a reliable chance (83%) of not exceeding 1.5˚C global warming has been expended – After making all these changes, our best (50%) RCB estimate starting…Continue readingRemaining Carbon Budget
The Intergovernmental Panel on Climate Change has assumed Nordhaus is to be trusted. The integrated assessment models used at the IPCC are based on Nordhausian visions of adaptation to…Continue readingWhen Idiot Savants Do Climate Economics
Earth’s vital signs have worsened beyond anything humans have yet seen, to the point that life on the planet is imperiled. William Ripple, a distinguished professor in the Oregon…Continue readingClimate report: ‘Uncharted territory’ imperils life on Earth
Accelerated ice melt in west Antarctica is inevitable for the rest of the century no matter how much carbon emissions are cut, research indicates. The implications for sea level…Continue readingRapid ice melt in west Antarctica now inevitable
Earth’s life support systems have been so damaged that the planet is “well outside the safe operating space for humanity”, scientists have warned. Their assessment found that six out…Continue readingEarth ‘well outside safe operating space for humanity’
The pace at which the concentration of CO2 in the atmosphere has jumped three-fold in five decades. Annual growth in global mean carbon dioxide averaged across the last decade…Continue readingPace of increase in CO₂ concentration has increased three-fold
You may not have noticed, but earlier this month we passed Earth overshoot day, when humanity’s demands for ecological resources and services exceeded what our planet can regenerate annually.…Continue readingCritics of ‘degrowth’ economics say it’s unworkable—but from an ecologist’s perspective, it’s inevitable
Soaring greenhouse gases, ubiquitous microplastics, pervasive “forever chemicals”, the global upheaval of animals, even old mobile phones and chicken bones—all have been put forward as evidence that the world…Continue readingSigns of the human era, from nuclear fallout to microplastics
Scientists say human activity has so fundamentally altered the geology, atmosphere and biology of the earth that it has entered a new geologic epoch known as the Anthropocene. On…Continue readingEvidence in Canada lake indicates start of new Anthropocene epoch
Earth lost an area of carbon-absorbing rainforest larger than Switzerland or the Netherlands in 2022, most of it destroyed to make way for cattle and commodity crops. That is…Continue readingFootball pitch of tropical forest lost every 5 seconds
The Arctic Ocean could be ice-free in summer by the 2030s, even if we do a good job of reducing emissions between now and then. That’s the worrying conclusion…Continue readingArctic Ocean could be ice-free in summer by 2030s, with global, damaging and dangerous consequences
United Nations climate chief says while the rapid end of burning coal, oil, and natural gas is urgently needed, the topic may not even reach crucial COP28 negotiations.Continue readingWill fossil fuel phase-out make it onto the UN’s climate agenda?
It is now too late to save summer Arctic sea ice. The study also shows that if emissions decline slowly or continue to rise, the first ice-free summer could…Continue readingToo late now to save Arctic summer ice, climate scientists find
“CO2 now is higher than any time in the last 4 to 4.5 million years when the atmosphere was about 7 degrees Fahrenheit (3.9 degrees Celsius) warmer and sea…Continue readingAmount of warming triggering carbon dioxide in air hits new peak, growing at near-record fast rate
We found melting of Antarctic ice is disrupting the formation of Antarctic bottom water. The meltwater makes Antarctic surface waters fresher, less dense, and therefore less likely to sink.…Continue readingAntarctic alarm bells: Observations reveal deep ocean currents are slowing earlier than predicted
The dangerous and destructive myths of conventional economics include the claims that: Since planetary boundaries have already been exceeded and low-income countries must develop, social justice demands that the…Continue readingSaving humanity: Here’s a radical approach to building a sustainable and just society
Researchers complain that the oxygen problem doesn’t get the attention it deserves, with ocean acidification and warming grabbing the bulk of both news headlines and academic research. Just this…Continue readingAs Ocean Oxygen Levels Dip, Fish Face an Uncertain Future
“These ice-ocean interactions make the glaciers more sensitive to ocean warming,” said senior co-author Eric Rignot, UCI professor of Earth system science and NASA JPL research scientist. “These dynamics…Continue readingResearchers discover a cause of rapid ice melting in Greenland
On September 8, 2022, at 6.30pm in Britain, Buckingham Palace announced the death of Queen Elizabeth II. The news broke just 30 minutes before the press embargo lifted on…Continue readingHumanity’s tipping point? How the Queen’s death stole a climate warning’s thunder
The groundbreaking modeling study published by Australian and American researchers at the end of March for the first time includes a detailed assessment of the likely impact of melting…Continue readingNew Research Sparks Concerns That Ocean Circulation Will Collapse
The UK has lost 40m birds since 1970 and Europe as a whole has lost 600m birds since 1980. The British figures, especially for farmland species such as skylark…Continue readingLook up, listen, and be very concerned. Birds are vanishing – and their crisis is our crisis
Carbon dioxide levels rose by more than two parts per million (ppm) for the 11th consecutive year: the highest sustained rate of CO₂ increases since monitoring began 65 years ago.…Continue readingGreenhouse gas emissions rose at ‘alarming’ rate last year, US data shows
The United States is Earth’s punching bag for nasty weather. Blame geography for the U.S. getting hit by stronger, costlier, more varied and frequent extreme weather than anywhere on…Continue reading“Buckle up. More extreme events are expected,” says head of the US National Oceanic and Atmospheric Administration
Communities around the world emitted more carbon dioxide in 2022 than in any other year on records dating to 1900, a result of air travel rebounding from the pandemic…Continue readingCarbon dioxide emissions reached a record high in 2022
Risks are cascading and underestimated, new climate extremes recorded, and the conclusion.Continue readingFaster, higher, hotter: What we learned about the climate system in 2022: Part 3
2°C degrees is not a point of system stability, we are heading towards 3°C or more, and system-level change and tipping points are happening faster than forecast.Continue readingFaster, higher, hotter: What we learned about the climate system in 2022: Part 2
Record emissions, the 1.5°C target, what about overshooting 1.5°C and cooling back to that level by 2100?, and the likelihood of achieving the 2°C target.Continue readingFaster, higher, hotter: What we learned about the climate system in 2022: Part 1
Parts of Earth’s ice sheets that could lift global oceans by meters will likely crumble with another half degree Celsius of warming, and are fragile in ways not previously…Continue readingClimate, ice sheets & sea level: the news is not good
Using the new measurements of land elevation, Vernimmen and co-author Aljosja Hooijer found coastal areas lie much lower than older radar data had suggested. Analyses of the new lidar-based…Continue readingWorst impacts of sea level rise will hit earlier than expected, says modeling study
A summary of the latest energy and climate data has been published on this site. Image above is Bełchatów Power Station, Poland.Continue readingEnergy and Climate Data Summary
Exxon was expected to record more than $56bn in profits in 2022 and Chevron is set to top $37bn, record highs for both companies, according to Wall Street estimates…Continue readingExxon and Chevron share $100bn in profit after surge in oil prices
“At the moment,” writes Warren Hern, “we are the most misnamed species on the planet: Homo sapiens sapiens—’wise, wise man.’ Not.” Hern, 84, physician and adjunct professor of anthropology…Continue readingHumanity devouring itself and the planet
Earth’s wildlife populations have plunged by an average of 69% in just under 50 years, according to a leading scientific assessment, as humans continue to clear forests, consume beyond…Continue readingAlmost 70% of animal populations wiped out since 1970, report reveals
Everybody likes trees. There is no anti-tree lobby. A global push to go beyond conservation of existing forests and start creating new ones goes back to 2011, when many…Continue readingPhantom Forests: Why Ambitious Tree Planting Projects Are Failing
The climate crisis has driven the world to the brink of multiple “disastrous” tipping points, according to a major study. It shows five dangerous tipping points may already have…Continue readingWorld on brink of five ‘disastrous’ climate tipping points
Major sea-level rise from the melting of the Greenland ice cap is now inevitable, scientists have found, even if the fossil fuel burning that is driving the climate crisis…Continue readingMajor sea-level rise is ‘now inevitable’
An international team of researchers looked specifically at 25,000 species, including fish, bacteria, plants and protozoans living in the top 100 meters of the world’s oceans. They found that…Continue reading90% of marine species at risk of extinction by 2100 if greenhouse gas emissions are not curbed
In the 2000s, Le Quéré was a lead author of the reports of the Intergovernmental Panel on Climate Change, which won a Nobel Peace Prize. Today she bridges science…Continue readingCorinne Le Quéré: ‘Could we just adapt to climate change? The answer is no’
Unless urgent action is taken, emissions are expected to cause the planet to continue heating rapidly over the next few decades, prompting the global average temperature to overshoot the…Continue readingEven temporarily overshooting 2°C would cause permanent damage to Earth’s species
The world has more than 2,400 coal-fired power plants, for a total capacity of nearly 2,100 gigawatts (GW). An additional 176GW of coal capacity is under construction at more…Continue readingBoom and Bust Coal 2022
From the U.S. to China, in Europe, India and Japan, fossil fuels are staging a comeback, clean energy stocks are taking a hammering, and the prospects for speeding the…Continue readingThe great climate backslide: How governments are regressing worldwide
As required by the UK Climate Change Act 2008, the government has today submitted the Third Climate Change Risk Assessment (CCRA3) to Parliament. Professor Richard Betts MBE, who led…Continue readingUK government: 4°C warming by 2100: “can’t be ruled out”
Earth now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. Every…Continue readingThe Extinction Crisis
Carbon emissions are set to hit an all-time high by 2023 as just two percent of pandemic recovery finance is being spent on clean energy. “Not only is clean energy…Continue readingCovid recovery to drive all-time emissions high: IEA
The nightmare scenario: Year 2100, global waming exceeds 4˚C:→ Massive frequent wildfires→ Dead coral reefs→ Frequent prolonged droughts→ Increased air pollution→ Ice-free Arctic summers→ Rapid sea level rise→ Abandoned small…Continue readingClimate change: how bad could the future be if we do nothing?