The UN created a game about protecting the ozone layer
'Reset Earth' teaches science as you tap your screen.
ozone
11 states sue EPA over attempt to reverse ban on ozone-harming HFCs
They claim the agency is skirting the law on climate-changing chemicals.
Treaty ending use of planet-warming HFCs takes effect in 2019
The question is whether or not the US will ratify it.
Kigali Amendment reached to cut use of planet-warming HFCs
More than 170 countries negotiated a deal to avoid 'the equivalent of 80 billion tons of carbon dioxide.'
Earth's ozone is on the path to recovery
A new study predicts the hole in the stratosphere could be completely healed by the middle of the century.
8uHoo edges out other air quality monitors with extra sensors
It can detect carbon monoxide, carbon dioxide, ozone, volatile organic compounds, dust and more.
