It's not just what birds do for us that counts — it's what they get us to do to save them, and thus to save ourselves.

Fladry is a preventive strategy that consists of decorating the perimeter of a livestock enclosure with flapping, bright-colored plastic streamers.

If orchids are hardier than is generally assumed, they are also more patient than predictable.

Hearings at the Legislature are a long look at problems associated with Minnesota's role in the national oil-and-gas boom.

Obama hung  little flesh on a bare-bones agenda of pledging to ask Congress, again, to get serious about greenhouse gas reductions. 

In a new report, scientists offer a sweeping survey of how scores of animals (and plants, and whole ecosystems) are faring in this time of changing climate.

The finding that the number of regular bike commuters has more than doubled in less than  two decades was really quite a stunner. 

Cracking down on coal and killing the Keystone XL pipeline project may top the agendas of some environmental groups, but these are hardly the only options available to the White House.

This year's National Climate Assessment is the most detailed, plainspoken and dire in a series of reports tracing the impacts of global warming.