Many nations hope to reduce the half a billion tons of plastic made each year. But pushback from plastic and oil producers, ...

More than 99% of Americans live under skies polluted by light. But dark skies above the Grand Canyon and 147 other spots ...

The United Nations is about to hold the fifth and last round of negotiations for adopting a global treaty that would work on ...

Some industry responses pointed to fault lines on what are likely to be the most contentious issues at the United Nations ...

The Biden administration has proposed a rule that it says will reduce pollution stemming from new gas-fired power plants and ...

Unhealthy ...

Whatever the causes of the smog, by one ranking Delhi was not just the most polluted city in the world, but “nearly five ...

In several areas of the city, pollution levels were more than 50 times higher than the World Health Organization’s ...

Air pollution chokes New Delhi every winter, but this year's smog has already derailed everything from transport and road ...

Most of India’s coal-burning plants are set to again fall short of a major pollution target, adding to the deadly smog that’s ...