greenhouse gases
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New Report Provides a Ranking of Sustainability Around the World
The 2024 Environmental Performance Index, produced by centers at Columbia Climate School and Yale, offers a scorecard for 180 countries based on their climate change mitigation, ecosystem vitality and environmental health.
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Without Changes, Global Food Systems May Drive World Beyond Climate Targets, Says Study
Production of meat, dairy and rice are the leading sources of food-related emissions. Improved management practices and changes in diet could go a long way to addressing the issues.
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Pivoting on Greenhouse Gas Regulation
Action will now need to focus on state and local governments along with powerful corporations and institutions to continue forward motion in the transition to environmental sustainability.
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Food Systems Offer Huge Opportunities to Cut Emissions, Study Finds
Researchers drilling into the many moving parts of food systems say that greenhouse-gas emissions have been systematically underestimated.
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How Exactly Does Carbon Dioxide Cause Global Warming?
CO2 molecules make up only a small percentage of the atmosphere, but their impact on our climate is huge. The reason comes down to physics and chemistry.
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You Asked: How Can I Find Out the Carbon Footprints of Different Foods?
We look at research from the Earth Institute and beyond to answer questions about the impacts of beef, soy, and more.
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Your Earth Questions, Answered
In celebration of Earth Month and Earth Day, our scientists are tackling reader questions on science and sustainability.
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Arctic Archipelago: Ground Zero For Climate Change
Summer temperatures on the archipelago of Svalbard, 400 miles north of Norway, are now higher than at any other period in the last 1,800 years, according to a new study in the journal Geology.
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Columbia-PepsiCo Collaboration Creates Tool for Calculating Carbon Footprints
Researchers at the Earth Institute’s Lenfest Center for Sustainable Energy working in collaboration with PepsiCo, Inc. have developed new software that rapidly calculates the carbon footprints of thousands of products simultaneously.
Join us on Saturday, October 19, from 10 a.m. to 4 p.m. for the Lamont-Doherty Earth Observatory Open House! Celebrate 75 years of science with us at our beautiful Palisades, NY campus. The event is free and open to everyone, with a suggested $5 donation. Learn More and RSVP
