air pollution

Nearly 40% of world’s population exposed to dangerous ozone in 2026, new report finds

The combination of extreme heat, wildfires and human-caused emissions has exposed nearly two in five people worldwide to dangerous levels of ground-level ozone so far this year, according to the inaugural Atmosphere Watch report published Wednesday by the Copernicus Atmosphere…

UN report finds $15 return for every $1 on clean air

A new assessment released Monday by the UN Environment Programme and the Climate and Clean Air Coalition found that tackling air pollution and climate change together could generate roughly $15 in economic benefits for every $1 invested, while preventing millions…

Overlooked pollutants drive 15% of warming, Science study finds

A paper published in the journal Science on June 11 reveals that so-called indirect greenhouse gases are responsible for approximately 15% of current global warming — about 0.3°C — yet remain outside the climate policy frameworks that guide international emissions…