Global Warming

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Scores of world leaders reaffirmed their commitment to limiting human-caused global warming at Wednesday’s Climate Week summit during the United Nations General Assembly. But emissions under new climate action plans submitted so far this year under the Paris Agreement would still add up to so much warming that more climate…

Over the summer, massive wildfires on the prairies produced the worst air quality in the world -- in Montreal, notes Tom Mulcair. Above, wildfires in Wanless, Man., in May. Mabitoba government via The Associated Press Article content By: Tom Mulcair THIS CONTENT IS RESERVED FOR SUBSCRIBERS ONLY Subscribe now to…

Hydrogen can indirectly warm the atmosphere AXA/ESA Levels of hydrogen in the atmosphere have jumped by 60 per cent since pre-industrial times, underscoring the dramatic impact fossil fuel burning has had on the planet’s atmospheric composition. Although hydrogen is not a greenhouse gas, it has an indirect warming effect through…

Plans to end global warming hinge on driving net greenhouse gas emissions to zero (plus or minus a few gigatonnes). It’s not going well. CO 2 emissions hit an all-time high last year, and for the first time average temperatures on Earth rose 1.5 °C above preindustrial levels. To limit…

September 11, 2025 4 min read A new study finds that one quarter of heat waves between 2000 and 2023 would have been “virtually impossible” without global warming—and can be attributed to the emissions of individual energy producers By Jeff Tollefson & Nature magazine Heatwaves are getting more severe, and…

Experimental climate interventions in the world’s oceans are moving ahead in a regulatory vacuum, raising concerns among scientists about potential risks, Mongabay staff writer Edward Carver reported. The projects, known as marine-climate interventions, aim to tackle global warming or help people and ocean life adapt to climate change...Read More

Achieving net-zero greenhouse gas emissions by 2050 will require removing carbon dioxide from the atmosphere, according to the Intergovernmental Panel on Climate Change, the world’s foremost authority on the topic. But only some types of carbon removal are actually effective — and these are largely not the kind that major companies…

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Topline A scientist whose research has been cited by podcaster Joe Rogan as evidence against global warming has spoken up to say Rogan is grossly misunderstanding the study he says supports his claims, making her the latest scientist to slam him over "old-school denier nonsense.” Joe Rogan on April 13,…