Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
When can you see the Aurora Borealis?
Mini horses are the ideal guide animal, according to the Guide Horse Foundation.
Scientists pinpoint the cause of lead poisoning in condors.
While many fish are seeing a decline in population, jellyfish are seeing a unprecedented spark in growth.
Will Central Florida's Hoover Dike protect local residents in a hurricane -- or will the region become the next New Orleans?
A veteran enviro reporter explains why declining water reserves in eight states affect life across the U.S.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.