Life on Earth depends on oxygen. And it now seems that oxygen depends on a slow day-night cycle, as a new study shows.

A marine biologist at the University of British Columbia estimates that last week's record-breaking heat wave in B.C. may have killed more than one billion intertidal animals living along the Salish Sea coastline.

Production of chemical could help make recycling more attractive and tackle global plastic pollution

Hundreds of bits of rocket, space stations and satellites have returned to Earth since the 1960s. They are often dumped at sea. How sustainable is that?

The EPA approved Oxitec's mosquitoes for release this spring. Some scientists and locals want to halt the deployment.

Conservation groups welcome aspects of the largely voluntary packaging and recycling targets but warn regulation will be necessary.

Chemical pollution is a global threat that demands for global action, says Zhanyun Wang. An interface body similar to the IPCC could help bridge the gap between science and policy.

The average American spends almost one hour each day commuting to work, a number that adds up quickly.

Food safety officials deny claims that diseased or contaminated meat is being eaten by consumers.

Tear gas from the near-nightly sieges in Portland may be trickling into the Willamette River, officials fear.

The pandemic is devastating economies. As countries look to revive growth, recovery must go with - not against - the grain of nature.

Research shows almost 80% of deaths across four countries were in most polluted regions.

Paris and Berlin have added their names to a growing list of EU capitals asking for the European Green Deal to be placed at the heart of the EU's post-pandemic recovery plan.