Satellites are burning up in the upper atmosphere – and we still don’t know what impact this will have on the Earth’s climate
We know particles from spacecrafts are in the stratosphere. But what this means for the ozone layer or the climate is still unknown.
Feb. 23, 2024 • ~7 min
Cooling conundrum: HFCs were the 'safer' replacement for another damaging chemical in refrigerators and air conditioners – with a treaty now phasing them out, what's next?
The U.S. Senate voted to ratify the Kigali Amendment, agreeing to phase down climate-warming HFCs. Some alternatives exist.
Sept. 22, 2022 • ~8 min
US Senate ratifies treaty to phase down climate-warming HFCs from refrigerators and air conditioners – but what will replace them this time?
HFCs had been the ‘safer’ replacement for another damaging chemical. Now they’re on the way out under the Kigali Amendment.
Sept. 22, 2022 • ~8 min
Axiom launch: why commercial space travel could be another giant leap for air pollution
Expanding the low-Earth orbit economy through increased commercial spaceflight will only push our planet further into its climate crisis.
April 8, 2022 • ~6 min
Repairing ozone layer is also reducing CO₂ in the atmosphere – new study
New research shows how the Montreal Protocol protected vegetation, helping keep carbon out of the atmosphere.
Aug. 18, 2021 • ~7 min
How cleaning up coolants can cool the climate – why HFCs are getting phased out from refrigerators and air conditioners
HFCs keep refrigerators cool, but when these short-lived climate pollutants leak, they warm the planet. The US EPA has a plan to phase them out, but what will replace them?
May 4, 2021 • ~8 min
Remembering Mario Molina, Nobel Prize-winning chemist who pushed Mexico on clean energy -- and, recently, face masks
Molina, who died on Oct. 8, 'thought climate change was the biggest problem in the world long before most people did.' His research on man-made depletion of the ozone layer won the 1995 Nobel Prize.
Oct. 10, 2020 • ~6 min
Prehistoric climate change damaged the ozone layer and led to a mass extinction
New research on the Late Devonian extinction suggests the ozone layer could be naturally depleted as the temperature rises.
June 1, 2020 • ~7 min
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