ACT-America Aims to Tell Four-Season Greenhouse Gas Story

NASA scientists are once again on the hunt for greenhouse gases in the sky. Researchers for the Atmospheric Carbon and Transport-America, or ACT-America, study returned to the field last week to measure how weather systems transport carbon dioxide and methane through the atmosphere over the eastern part of the United States.

A C-130 from Wallops Flight Facility prepares for ACT-America's fall flight campaign. Credits: NASA/Patrick Black