ENVIRONMENT

It's not exactly reassuring news.

A study with 1200 sensors mounted to inhalers can help the city reshape its air quality policies.

No one is sure if any will erupt. If they do, the consequences could be troubling.

Scientists say butt-studded asphalt could be the wave of the future.

The legal limit isn't necessarily what's best for your health.

Crawling into a toilet with a full tank below it might have seemed like a good idea at the time.

It gets much, much worse than Phoenix.

The Guardian is designed to capture the hordes of lionfish devastating reefs and fish populations in the Atlantic Ocean.

Up to 150 cabs are set to hit the road by 2018.

Those oysters on the half shell you're slurping down could have a second life cleaning waterways and protecting coastal ecosystems.

Sustainable energy can sometimes also be adorable.

Reforestation promises to bring back old-growth trees...very slowly.