ozone layer
The Ozone Hole Is the Smallest It's Been Since 1982
While this is great news, scientists say it’s not a sign that the ozone layer is “on a fast track to recovery.”
Ozone Recovery Continues, But Suspected Emissions From China Slows Progress
The Montreal Protocol of 1987 continues to be a success story about international environmental cooperation.
China’s Construction Industry Is Putting Earth’s Ozone Layer Back At Risk
A rise in atmospheric levels of CFC-11, a substance banned by the Montreal Protocol, prompted environmental investigators to find the source.
The Montreal Protocol Is the Most Successful Climate Agreement Ever
Its most recent victory is a phase-out on HFCs, a powerful greenhouse gas.
The EPA Just Banned the Chemicals That Helped Save the Ozone Layer
Hydrofuorocarbons replaced the chemicals that were depleting the ozone layer, but they are a potent greenhouse gas, up to 10,000 times stronger than carbon dioxide.
All Aboard the UK's First Shit-Powered Bus
Bath Bus Company has announced a new "Bio-Bus" that has begun shuttling merrily between Bath and Bristol Airport this week, fueled exclusively by human turds and piss.
There's a Dangerous Downside to the Chemicals That Helped Save the Ozone Layer
Ozone-destroying chlorofluorocarbons were banned in 1989 but the chemicals that replaced them in refrigerators and air conditioners are contributing to global warming.
The Recovery of the Ozone Layer Isn't All Good News
We banned ozone-depleting chemicals and replaced them with ones that increase global warming.