Mari Copeny, 8, met the president during his visit to Flint after she wrote to him about the water crisis there.

Warblers, songbirds, shorebirds and ducks are flocking back amid the mild spring weather. As warmer temperatures return to Wisconsin, so do the birds. Migratory species are making their way back to ...

The Colorado River runs through seven states. Officials unveil sweeping new plan to protect vital US river system: 'The ...