It’s hard to green the desert. Take China, or Africa’s Sahel region, for example. Their “Great Green Walls,” grand projects to beat back encroaching desert by planting trees, have required ...

Spring is cherry blossom season and you can see the showy pink and white flowers in Arizona. Here's the best place and time ...

Discover 10 top spots to see cherry blossoms across the U.S. in spring 2025, from Washington, D.C. to San Francisco.