Articles on Pollution

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Delhi’s skyline is seen enveloped in smog and dust in New Delhi, India, in November 2019. (AP Photo/Manish Swarup)

Air pollution crosses borders, and so must the policies aimed at tackling it

A new study highlights why airshed-aware systems thinking is crucial to break India’s air-quality governance deadlock.
Whales have become increasingly common in regions such as the northern coast of São Paulo, which also has heavy ship traffic. Julio Cardoso/Projeto Baleia à Vista

Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic

Despite Brazil’s recent expansions of protected areas, research shows that the favorite habitats of whales and dolphins are still threatened by human activities.
Denver was barely visible through the smog on Feb. 9, 1986. Pollution like this is why the Clean Air Act was created. Denver Post via Getty Images

What air pollution does to the human body

The EPA is changing how it assesses proposed regulations by dropping the monetary value of health benefits from its cost-benefit analyses. That misses a big piece of the picture.

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