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Palm Trees Are Spreading Northward. How Far Will They Go?

Palm Trees Are Spreading Northward. How Far Will They Go?

March 19, 2018
climate change   ecosystems  

A new study led by led by Lamont-Doherty Earth Observatory researcher Tammo Reichgelt explores what it will take for the iconic tropical tree to expand into areas that have long been too cold for palm trees to survive.

Global Environment Report Card Sees Dirty Air, Failing Fisheries

Global Environment Report Card Sees Dirty Air, Failing Fisheries

January 23, 2018
air pollution   climate change   ecosystems   environmental health   sustainability  

Many countries are making progress on improving water sanitation and protecting marine ecosystems. But air pollution continues as a leading health problem in many nations, and fisheries are deteriorating almost everywhere.

Arctic National Wildlife Refuge: How Drilling for Oil Could Impact Wildlife

Arctic National Wildlife Refuge: How Drilling for Oil Could Impact Wildlife

December 6, 2017
ecology   ecosystems  

Congress is moving closer to opening Alaska’s pristine wilderness to oil and gas development. Columbia scientist Natalie Boelman explains might that mean for the creatures living there.

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