Peter de Menocal, a climate scientist and dean of science at Columbia University, discusses the UN Climate Action Summit, the economic costs of climate change, and what it means to put a price on carbon.

"We have to hope that we're never too late," said Radley Horton of the Earth Institute at Columbia University. "We have to engage fully to reduce emissions and to prepare for those climate changes that we're locked into."

In blog posts, tweets and podcasts, Kate Marvel—an associate research scientist at the NASA Goddard Institute for Space Studies at Columbia University—cuts through misinformation about climate change with storytelling.

AllianceBernstein is sending its investment staff back to school at Columbia's Lamont-Doherty Earth Observatory for a training course on the financial risks of climate change.

According to the calculations of Lamont-Doherty Earth Observatory scientists Terry Plank and Hugh Ducklow, plankton could play a bigger role in mediating the global warming effects of volcanic eruptions than once thought.

Adam Sobel, an atmospheric scientist and director of the Initiative on Extreme Weather and Climate at Columbia University, answers questions about Hurricane Dorian.

Using new technology, Columbia University ecologist Kevin Griffin and his colleagues are watching as trees grow, shrink, drink, and breathe.