Those who think some of our rivers are a dammed shame argue for the structures to come down
In one spot on the continental shelf, scientists aim to understand all that happens, 24 hours a day
The study of how plants moved north after the last ice age could mean new directions for conservation
Climate scientists go with the floe
It may seem primitive, but it can do some things you wouldn't want to try at home
Establishing a permanent marine station heralds an era of progress for Smithsonian research
Volcanologist Richard Fiske loves fieldwork most of all--when he's on the job, the Earth moves
Thanks to 300 volunteers, steelhead are back again, despite highways, offices and a campus
As recently as 200 years ago, dunes and sheet sand were active throughout the Great Plains. A serious drought could bring them back
For archaeologists, the proof is in the pudding or rather, in the agave, cactus and other goodies
It's colorless, odorless and gets no respect, but it's vital to the cycle of life and we may be using too much
Green activist Dan Barker is seeding many lives with hope
Water, Water, Everywhere
For some of the toughest environmental cleanups, plants can do it better and cheaper than we can
In his lifetime no one did more than Ernest Thompson Seton to promote the idea that nature is a very good thing
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