Earth Sciences58
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What Happens to Ecosystems When Antarctica’s Ice Melts?
A special section in the October issue of BioScience featuring research by Lamont-Doherty Earth Observatory scientists examines the effects of intense melting on two Antarctic ecosystems, tracking impacts all the way from microbial food webs to shifting penguin populations.
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Ancient Leaves Link Loss of Antarctic Ice to a CO2 Spike
Twenty-three million years ago, the Antarctic Ice Sheet began to shrink, going from an expanse larger than today’s to one about half its modern size. Ancient fossilized leaves retrieved from a lake bed in New Zealand now show for the first time that carbon dioxide levels increased dramatically over a relatively short period of time…
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Red Flags Over the Arctic’s Future
A new white paper reviews climate impacts already underway in the Arctic, and examines further changes expected to take place even if the world meets the goals of the Paris Agreement. It will be presented today at a meeting at the White House of national-level science ministers and advisors from around the world.
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Listening to Earthquakes – From Inside the Earth
Lamont scientist Ben Holtzman and the Seismic Sound Lab take viewers on an entirely new sensory experience to see, hear and feel earthquakes from inside the planet.
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Exploring Obama’s Seafloor Canyons by Mini Submarine
Only a few people have ever explored deep inside the seafloor canyons that President Obama just designated a national marine monument. Bill Ryan is one of them. In this podcast he describes what his team saw and learned.
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Climate Denial and Sea Level Rise
The need to adapt to the current impact of climate change is already obvious in many cities and work is already underway to make cities more resilient to extreme weather events. New York City has begun to implement a resiliency plan that will cost at least $20 billion over the next decade.
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Some Islands Started in Diamond-Bearing Regions Under Continents, Geochemists Say
Journeys Spanning Thousands of Miles, Billions of Years
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The (Somewhat Less Fast) Growing Human Footprint
The human footprint continues to expand, with three quarters of earth’s land surface now experiencing measurable pressures from buildings, roads, crops, pastures and other human structures and activities, according to a new report. But the report also finds an encouraging trend: In recent years, growth in the footprint has lagged far behind population and economic…
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Construction in the Swamp
Despite the miserable weather and ongoing rain, we constructed a wooden structure to hold the GPS receivers, solar panels and other electronic equipment between the three wells. We worked out how and where to mount the antennas and had parts made to accomplish it. Although I had to leave before it was completed, the team…
By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“
