November 18, 2017

Special Report: Lead Poisoning Lurks in Scores of New York Areas

New York City acknowledges "extreme pockets" of lead poisoning remain, in response to a Reuters investigation and independent research by Columbia University scientists.
November 17, 2017

Could Tweaking The Atmosphere Help Us Fight Climate Change?

Peter Kelemen of Columbia University’s Lamont-Doherty Earth Observatory talks about his research on carbon sequestration as a way to fight climate change.
November 16, 2017

When Will We Find Aliens?

"Before we go looking for life, we're trying to figure out what kinds of planets could have a climate that's conducive to life," Anthony del Genio, an Earth scientist at Columbia's NASA Goddard Institute for Space Studies.
November 15, 2017

Should We Teach Facial Recognition Technology About Race?

Alondra Nelson of Columbia University, who studies the ethics of new technologies, says demographic data may contribute to algorithms’ accuracy, but it also complicates their use.
November 14, 2017

How Missing Weather Data is a ‘Life and Death’ Issue

Columbia University's International Research Institute for Climate and Society believes that giving farmers access to reliable weather forecasts can help them increase yields by 20%, and sometimes by as much as 80%.
November 14, 2017

Expedition Braves Arctic Perils for Climate Science

After being foiled for years by the harsh conditions, Columbia scientist Billy D'Andrea and his colleagues were able to collect key core samples from a remote lake in Svalbard—which may provide valuable insight into how our climate will change over the coming decades.
November 12, 2017

How Warmer Winters Affect Our Planet

Marco Tedesco of Columbia University discusses changes in Earth's polar regions and why a difference of one or two degrees in temperature can thaw a world of ice.