Grand Canyon Gains New Million-Acre Monument
President Biden is declaring a national monument around the Grand Canyon, protecting lands important to a dozen Native American tribes and prohibiting new uranium mining claims in the region
Green Shoots from Brown Fields
Uncle Sam looks to eliminate the biggest hurdle to expanding renewable energy--the need for suitable sites to place commercial-scale wind and solar farms--by reusing hundreds of old mines, landfills and industrial sites
Wild Meat Raises Lead Exposure
Tests by the CDC show that eating venison and other game can raise the amounts of lead in human bodies by 50 percent
Threat Down Below: Polluted Caves Endanger Water Supplies, Wildlife
Caves are home to some of the planet's most unusual creatures and important drinking water supplies. Now these underground resources are being polluted by surface activities, ranging from sewage spills to old factories.