Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Poachers threaten the last few hundred members of this critically endangered, and culturally important, species.
Sad as it is, it seems that mysterious deaths are for the birds.
Scientists want predictions months, instead of years, in advance
Young manatees dying of mysterious causes.
Cuddly Aussie species being harmed by climate change.
Humanity is often at its worst and wackiest in our search for water. Peter Dykstra on a free-flowing font of bad ideas.
Voltree Power's wireless sensor network taps into electricity generated naturally by trees.
Fifty years ago, world powers made an environmental deal. And stuck to it.
Video: How can churches make Palm Sunday more sustainable?
Assignment Earth's Bruce Burkhardt explains the most significant land conservation measure in a generation.
Beetles eliminate use of chemicals in invasive loosestrife battle.
Land managers use animals to control weeds.
Boosting native bee populations could give beleaguered honeybees a break.
Brighter Living with Jill Cordes: Most people think their trash is history once it gets to the landfill.
And other tales of springtime wonder.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.