Starting among the cacti of the Sonoran Desert, he climbed into a pine forest at 7,000 feet and a treeless alpine tundra at ... might be one such community, a spruce-fir forest another.

Old-growth forests are rare – less than 7% of the area of U.S. forests today – and are still often logged. To recover forest ecosystems across the U.S., it will not be enough to protect just ...

Italy is a truly diverse region with so much to explore. One of the best ways to immerse yourself in nature is in this valley ...