Pollution

After a year of RFK, Jr., heading the Department of Health and Human Services, the “Make America Healthy Again” movement has upended science and medicine

The EPA has scrapped a rule stating that climate change harms human health. Here’s what that could mean

There’s no safe level of exposure to lead—but a small, strange study shows we’ve made incredible progress in recent decades

After a year of protests from astronomers, authorities have abandoned plans for a giant, light-polluting renewable-energy facility in Chile’s Atacama Desert

Greenland’s mineral resources hold massive economic potential, but accessing them isn’t easy

A new estimate suggests land sources eject 600 quadrillion pieces of microplastic into the atmosphere every year

An estimated 280 million metric tons of plastic waste will enter the air, water, soil, and human bodies every year by 2040, data shows

Reflect Orbital’s plan to deliver “sunlight on demand” using thousands of giant orbital mirrors is just the latest in a growing list of disruptive commercial activities in space

The “Great North American Eclipse” of April 2024 was a once-in-a-lifetime opportunity to study how birds and other wildlife respond to total solar eclipses

Earth has breached a critical boundary for ocean acidification, with potentially grim effects for ocean ecosystems and human livelihoods

After nearly 40 years of global efforts, the ozone hole over Antarctica is continuing to heal

The EPA fired five agency employees who signed a June declaration decrying moves that contradict science and undermine public health and issued removal notices to four more