Life in the oceans

Life in the oceans

Most of our planet is ocean, and now we have a better idea of what lives there. Marine creatures are much weirder than those on land. More »

River health: Finding fixes

River health: Finding fixes

Can we fix rivers? Dams, levees, and locks can harm rivers and wetlands. So can draining rivers dry, or encasing them in concrete. In a More »

State of the rivers: Ruinous?

State of the rivers: Ruinous?

Rivers bring water. They house amazing biodiversity. And they are being polluted, tapped, dammed and diverted at a frightening rate. More »

Farming in the city

Farming in the city

Urban farms are sprouting in the most unlikely places. Advocates say they help with nutrition, obesity and job training. More »

Future grid, smart grid

Future grid, smart grid
We need more electricity. More alternative energy. Less greenhouse warming, and better ways to manage our power supply. More »

Pollinator crisis ahead

Pollinator crisis ahead
Pollinators are under threat from diseases and pesticides. They aren’t finding enough to eat. Their colonies are dying. What can we do? More »

Gray wolf: How many is enough?

Gray wolf: How many is enough?

The gray wolf has made a dramatic recovery in the northern Rockies and upper Midwest. Is the wolf still endangered, or has it More »

Giant snake invasion!

Giant snake invasion!

Pythons, anacondas and boas are breeding in South Florida. What are these snakes eating, besides alligators? Can they be trapped, More »

Tar sands = Clean oil?

Tar sands = Clean oil?

Canada’s oil-drenched sands are the second-largest oil reserves, but they pollute air and water, destroy forests and boost warming. A More »

Raising (Whooping) Crane

Raising (Whooping) Crane

Refuge is site of effort to use ultralight aircraft to guide crane chicks toward Florida wintering grounds. Dangers remain, but it’s a More »