What do trees know that we don't? 13-year-old inventor Aidan realized that trees use a mathematical formula to gather sunlight in crowded forests. Then he wondered…
Looking at street tree grates in New York
An Italian photographer goes to Ecuador to track down ‘vegetable ivory', a plant that could one day replace elephant ivory in global markets.
Over seven years, an artist watches a beloved forest suffer a "massive tree mortality event," then gradually recover and become something new.
The Moringa Tree, also known as the Drumstick tree is nearly entirely edible. It can grow with little water, has multiple times the amount of nutrients as oranges, carrots and milk, plus grows very well in regions of malnutrition. Could this tree sol...
The new finding fits with a host of evidence linking urban greenery to mental health.
In the southern hemisphere grow trees that may be secret record-breakers
An infestation is killing America's wild hemlocks.
Driven by a growing environmental movement and mounting pressure from Western consumers, corporate and government leaders are making a new push to slow the cutting of rain forests.
An hour before sunup the Bani River uncoils through the dark Sahel in bright silver curves, a reflection of a day not yet dawned,…
The master luthier's violins and cellos include spruce from the Fiemme Valley. The forest still thrives, and its trees are still made into fine instruments.
Italian artist Guiliano Mauri is the father of this spectacular Cattedrale Vegetale (Tree Cathedral), a unique building created out of rows of real living trees.
An invasive beetle, the emerald ash borer, is killing millions of ash trees in American cities.
Over the last century, sometimes without residents consciously noticing, the more developed parts of the city have grown greener.
New York City's ginkgo trees will each drop their leaves in a single night. Oliver Sacks explains.