Global Warming16
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A Climate Battle Cry for Earth Day
A group of 17 renowned scientists from around the world are appealing for dramatic action to forestall the worst effects of climate change, issuing an “Earth Statement” that calls for a world powered with zero carbon emissions by mid-century.
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Report Forecasts Worsening Climate Hazards for Region
A new report gives a worrisome picture of climate-related problems the New York region will likely face this century. Temperatures are projected to rise, extreme precipitation and heat waves will be more frequent, and sea level could rise as much as 6 feet.
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Warming Pushes Western U.S. Toward Driest Period in 1,000 Years
Study Warns of Unprecedented Risk of Drought in 21st Century
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Climate Change Poses Challenges to Plants and Animals
Because of climate change, spring, summer, fall and winter in the temperate zones are all arriving on average 1.7 days earlier than they ever have before. The changing climate with its more extreme weather is affecting many plant and animal species, disturbing their habitat and disrupting ecosystem functioning. How will plants and animals deal with…
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2014 Was Warmest Year in Modern Record, Say Two U.S. Reports
Data in Accord With Other Nations’ Studies
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New Global Maps Detail Human-Caused Ocean Acidification
Oceans Changing in Step with Rising CO2 Emissions
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The Greening of China
China became the world’s largest carbon polluter in 2006, surpassing the U.S. But it is also rapidly going green through cutting coal use, investing heavily in renewable energy and launching the world’s largest carbon trading system.
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Eye on the Storm
Atmospheric scientist Adam Sobel is author of the new book “Storm Surge: Hurricane Sandy, Our Changing Climate and Extreme Weather of the Past and Future.” Sobel was one of the first researchers to explain to media and the public what might be brewing, before the storm hit. In the aftermath, he looked closely at the…
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What Do Wildfires Have to Do with Climate Change?
“Climate change has been making the fire season in the United States longer and on average more intense,” said John Holdren, President Obama’s science advisor. And, wildfires are not only intensified by climate change, they also exacerbate it.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
