Residents of New England and the Mid-Atlantic states will experience increased rainfall and floods if data analysis by a Penn State meteorologist and long-term projections by a fisheries biologist, with a specialty in surface water pollution, are accurate.

UNIVERSITY PARK — Bill Syrett counted down, and more than 40 pairs of eyes turned to the clouds.

Six Things Michael Mann Wants You to Know About the Science of Global Warming

— posted on Jun 26, 2014 09:23 AM

There is nothing controversial about the work of climatologist Michael Mann, director of Penn State’s Earth System Science Center.

Battle stations for an ice-free Arctic

— posted on Aug 11, 2014 09:20 AM

The summer seas around the North Pole could be ice-free in 15 years. Rear Admiral David Titley was given the task of working out what that meant for the US Navy. He talks with Elizabeth Finkel.

A report released Tuesday from an advisory group of retired U.S. military leadership echoes the findings of other recent reports on climate change: It is real, it is already happening and it poses major threats to the U.S. and the rest of the world.