Researchers have succeeded in constructing, from scattered data, a world map of the diversity of tree species. Climate plays a central role for its global distribution; however, the number of species ...

Joshua Tree National Park is often described as an out-of-this-world experience or healing for one’s soul, says Donovan Smith, the park’s public information officer. “With blue sunny skies almost year ...

In Texas, fire crews can find themselves battling scores of blazes throughout the year -- from winter, when dormant vegetation provides fire fuel, to summer, when drought can turn grass and trees into ...

Chicago's eastern boundary is formed by Lake Michigan, and the city is divided by the Chicago River into three geographic sections: the North Side, the South Side and the West Side. These sections ...