Causes www.pbs.org How more organic farming could worsen global warming Organic agriculture is billed as better for the environment, but a wholesale shift to this farming practice could increase net greenhouse gas emissions, a new study reports.
Impacts www.pbs.org Is climate change making U.S. tornadoes worse? After a deadly storm struck Alabama and Georgia, here's what scientists know - and don't know - about climate change and tornadoes in the U.S.
Politics undark.org An agitator for science reform walks a fine line in the era of Trump Daniel Sarewitz aims to put his ideas in front of power players without enabling a president who seems as likely to destroy science as to reform it.
