Every year at Grand Canyon National Park, millions of visitors from all over the world stop at one of a dozen water spigots.
articles
Tire Pollution May Threaten Human Health, Study Finds
Tiny particles of rubber cast off by car tires, which have long been known to harm wildlife, may also pose a risk to humans, according to a new study.
Environmental Engineers Reshape Understanding of Airborne Pollution Particles
From sizzling bacon in the kitchen to wildfire smoke in the sky, cooking and pollution release microscopic particles that affect humans' health, the air they breathe, and even weather and climate.
When Too Much of a Good Thing Becomes Dangerous
In the absence of human interference, the soil beneath the world’s forests normally exhales carbon steadily and consistently.
Carbon Dioxide and Water Played Key Role in Historic Mount Etna Eruption
The plumbing systems of volcanos are vast and complex. But they aren’t consistent, even in the same volcano.
Coal Pollution is Cutting Solar Power Output, Study Finds
The new study mapped and assessed more than 140,000 solar PV installations worldwide using satellite data.
