Most of the world breathes unhealthy air. Poor monitoring, industrial emissions, and weak regulations worsen air pollution.

Most hydrogen production relies on dirty energy, and it's a major polluter. According to the International Energy Agency, ...

Now a startup called Stardust seeks something more ambitious: developing proprietary geoengineering technology that would ...

A recent global survey identifies Tajikistan as one of the world's most polluted countries, with vehicle emissions being a ...

In an unprecedented show of unity, more than 47 million health professionals, patients, advocates, representatives from civil society organizations, and individuals worldwide have signed a resounding ...

"Electric cars aren't pollution-free; they have to get their energy from somewhere." - Alexandra Paul You'd have to have been ...

In New Mexico, the signs of a changing climate are more than just abstract forecasts — they are a daily reality. From record-breaking temperatures to unpredictable weather events and wildfires, ...

Reducing methane emissions from oil and gas, agriculture and waste sectors can improve public health and slow global warming. Here’s how that can be done.

In a barrage of pronouncements Wednesday, the Trump administration said it would repeal dozens of the nation’s most ...

Earth’s climate is heating up faster than expected, and a major culprit is the changing behavior of clouds over oceans. As ...

The Trump administration is rolling back several major climate policies, including two rules that target planet-warming ...

Lee Zeldin, the E.P.A. administrator, said the agency’s mission was to make it cheaper to buy cars, heat homes and run ...