Right now, our world can be essentially defined by a single color. Summer is here and trees, shrubs and other plants are all in full leaf, capturing the sun’s energy and transforming it into food for ...

This story appears in the October 2012 issue of National Geographic magazine. We have all held leaves, driven miles to see their fall colors, eaten them, raked them, sought their shade. Since they are ...

There’s a reason for falling leaves. It might look like the colorful beginning of the end (winter) to many, but like the three other seasons in Ohio, fall is just a necessary transition to the next.