Ecosia claims to plant trees with every search—but is it really making a difference? We investigate how the search engine works, where the funds go, and whether it delivers on its eco-friendly promise ...

A hundred years ago, Maryland’s first state forester, Fred Besley, issued a challenge to residents: Go out in the woods and find the biggest tree you can. Then collect its measurements and send them ...

To see a mighty sequoia tree, you usually have to travel to the western slopes of California’s Sierra Nevada Mountains. Now children in Detroit, Michigan, are helping to plant sequoias in their city ...

If you treat them right, trees can shade your house, beautify your property, and even save you money on energy. But diseases, pests, or extreme weather can impact the sturdiest oaks. And even healthy ...

On Verona Island, at the end of a dirt road, a couple dozen wizened apple trees stand sentry in a grassy field sloping down to the river. To the untrained eye, it's a bunch of old trees. To apple ...

Many homeowners wonder how to get grass to grow beneath a tree, where it often is bare or patchy. “It’s better for both the grass and the tree if you don’t try,” said Spencer Campbell, Plant Clinic ...

The city of Portland is getting greener and soon cooler. More than a dozen trees have been planted in the Lents neighborhood since the beginning of the year. That's an area considered one of the ...