climate change98
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Climate Change Isn’t Just a 21st Century Problem
Humans have been burning fossil fuels for only about 150 years, yet that has started a cascade of profound changes that at their current pace will still be felt 10,000 years from now, a new study shows.
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Gearing Up for Our First Cores
As they get to know their ship, the scientists aboard the JOIDES Resolution prepare to drill their first sediment cores along the Natal Valley off the coast of southern Africa.
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Fast-Building Storms Play Key Role in Tropical Cyclone Risk
In studying climate and tropical cyclones, researchers find a weather phenomenon at play.
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In the Southern Ocean, a Carbon-Dioxide Mystery Comes Clear
Twenty thousand years ago, low concentrations of carbon dioxide in the atmosphere allowed the earth to fall into the grip of an ice age. But despite decades of research, the reasons why levels of the greenhouse gas were so low then have been difficult to piece together. New research, published today in the leading journal…
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El Niño and Global Warming—What’s the Connection?
The United Nations has declared 2015 the hottest year since record keeping began. It was also a year marked by the occurrence of a “super” El Niño. Are the warming temperatures and El Niño connected?
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Without the Montreal Protocol, More Intense Tropical Cyclones
Using one of the most advanced atmospheric computer models available, scientists compared our expected future with a scenario in which ozone-depleting substances had never been regulated.
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With Climate, Fertilizing Oceans Could be Zero-Sum Game
In Pacific, Added Iron May Not Pull Carbon From Air as Thought
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2015: The Hottest Year
2016 May Be Even Hotter
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It’s Beginning to Look Not a Lot Like Christmas
Much of the eastern two-thirds of the United States was balmy on Christmas Day, with high temperatures more than 20°F above average from Texas to Maine. According to NOAA, 789 daily high temperature records were tied or broken on Christmas Eve and Christmas Day in the continental United States. What’s behind this unusual weather?
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
