A new climate study shows that some countries in sub-Saharan Africa may be underestimating the impact of their malaria control activities, while others may be underestimating their success.

A thousand years ago, powerful Viking chieftans flourished in Norway’s Lofoten Islands. In an environment frequently hovering on the edge of survivability, small shifts in climate or sea level could mean life or death.

In the first evaluation of evaporation as a renewable energy source, Columbia researchers found that U.S. lakes and reservoirs could generate 325 gigawatts of power, nearly 70 percent of what the U.S. currently produces.

Columbia Engineering professors George Deodatis, Daniel Bienstock, and Kyle Mandli will use a multi-pronged approach to address threats to infrastructure and help keep communities functional and healthy.

Radley Horton, a professor at Columbia University’s Lamont-Doherty Earth Observatory, spoke with NewsHour about extreme weather, climate change, and flood insurance.

Three oceanographers from Columbia's Lamont-Doherty Earth Observatory discuss how changes in ocean temperatures and chemistry impact marine life and food security.

Ivaylo Ivanov, an immunologist at Columbia who studies the role of intestinal bacteria in the body’s immune response has received a two-year, $200,000 Innovation Fund award from the Pew Charitable Trusts.