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Twenty years of blogging in hindsight

Real Climate

It’s 20 years since we started blogging on climate here on RealClimate (December 10, 2004). We wanted to counter disinformation about climate change that was spreading through various campaigns. In a nutshell, they are responsible for climate change, mainly due to an increased greenhouse effect.

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“A Historic Day”: the World Court’s Big Climate Opinion

Legal Planet

It’s been a long time coming but nations of the world officially have a legal obligation to limit their emissions of greenhouse gases or else pay reparations for the harms of climate change. The case was filed in 2018 by Vanuatu, an archipelago in the Pacific Ocean that is especially vulnerable to human-caused climate change.

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Cattle and Climate Change: Putting Sustainability in Perspective

HumanNature

Student in the Department of Animal Sciences and CSU AgNext at Colorado State University The role of cattle in climate change has been an important topic for decades, sparking debate among scientists, producers, policymakers, and consumers. Guest Post by Ashley Schilling Hazlett , 2024-2025 Sustainability Leadership Fellow and Ph.D.

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A Busy Legislative Season in California Adds Up to a More Climate Proof Future

Union of Concerned Scientists

Clean cars not 4 all UCS research found that cars that were manufactured before 2004 make up less than one fifth of the cars on California roads but account for more than two thirds of the smog-forming emissions of all cars. Rest assured, we won’t sleep until all EV batteries are repurposed or recycled at the end of their useful lives.

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Operationalizing Climate Science

Real Climate

Both of these issues stem from the realization that climate change is no longer purely a long-term issue for which an assessment updated every decade is sufficient. The End of History A big part of the effort to both understand past climate and project future climate is supported by the CMIP program. Gettelman, and A.

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John Kerry – Shame on us for failing to act on climate 

A Greener Life

By Anders Lorenzen John Kerry, the former US Secretary of State and Special Envoy on Climate Change, an army veteran and veteran of US politics now aged 80, took the stage in London today as the keynote speaker at the 2025 Soft Power Index. David Haigh in conversation with John Kerry. Photo credit: Brand Finance.

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Vibrio Bacteria in Beach Water Can Make You Seriously Ill

Scientific American

But climate change is warming once cool waters, and vibriosis cases have been relentlessly spreading northward. Climate change is extending summer seasons, encouraging more recreational water use and thus raising the risk of exposure. They are found in both saltwater and freshwater bodies, and they thrive in warm water.