The authoritative guide to ensuring science and technology make life on Earth better, not worse.

ozone hole

Sue Solomon in Antarctica with penguins

Interview with Susan Solomon: The healing of the ozone hole, and what else we can learn from atmospheric near-misses

By Dan Drollette Jr | Climate Change, Interviews

crashed WW1 biplane with spectators

Introduction: Near-misses, close calls, and early warnings

By Dan Drollette Jr | Climate Change, Disruptive Technologies, Nuclear Risk, Special Topics

Foam Insulation CFC

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

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

Rusty factory pipes

The atmosphere is not following protocol

By Dennis Clare | Climate Change, Opinion

The ozone story: A model for addressing climate change?

By W. H. Brune | Uncategorized