Topic: montreal protocol

In this image, from September 2006, the Antarctic ozone hole was equal to the record single-day largest area of 11.4 million square miles (29.5 million square kilometres), reached on Sept. 9, 2000. (Universal History Archive/ Universal Images Group via Getty Images)

Ozone layer is in danger – again 

Monica Manmadkar
(Scripps Institute of Oceanography)

the 2°C threshold

Brian Kahn - Climate Central