New clean air treaty goes into effect across Europe and North America
The agreement aims to limit heat-trapping black carbon emissions that accelerate melting of glaciers and sea ice.
UNECE Convention on Long-range Transboundary Air Pollution 1983
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Move over tobacco, air pollution is the next major public health target
As much as 91% of the world's population breathes unhealthy air, which is why it's the focus of a global health conference.