Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

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 ...

The island in Heartopia has a lot to explore. In order to craft new items and cook up new foods, you'll need to harvest fruits and materials. The game will often ask you to turn in fruit and materials ...

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 ...

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 ...

Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...