Dan Lambe is the Chief Executive of the Arbor Day Foundation, an organization founded in 1972. Under Dan’s leadership, the Foundation has grown to become the largest nonprofit membership organization ...

Trees are "social creatures" that communicate with each other in cooperative ways that hold lessons for humans, too, ecologist Suzanne Simard says. Simard grew up in Canadian forests as a descendant ...

END OF THE WK.EE TURNING TO OUR ONGOING COVERAGE OF CALIFORNIA RUNNING DRY DUNGRI ANOTHER DROUGHT. THERE IS NOW A NEW CAMPAIGN UNDERWAY TO URGEOU Y TO REDUCE WATER. AND TO AVOID A DEADLY MISTAK FOR ...

Learn how to identify trees—in one week National Geographic's Wonder Lessons will teach you how to navigate the stars, spot cloud types, recognize common trees, and identify different kinds of rocks.