May premium magazine: Early warnings and near misses

CFCs

Mario Molina receives the 2013 Presidential Medal of Freedom presented by President Barack Obama in the East Room of the White House. (Photo by Leigh Vogel/WireImage)

Mario Molina: An appreciation from a colleague

By Durwood J. Zaelke | Climate Change, Special Topics

Foam Insulation CFC

Unexpected, unreported, and so far unexplained emissions of CFC-11

By Durwood J. Zaelke, Veerabhadran Ramanathan | Analysis, Climate Change