When Gus was just a sapling 1,000 years ago, there were an estimated 250 million people on Earth, far less than today’s 6.8 ...

Melissa Breyer is Treehugger’s former senior editorial director. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, Audubon Magazine, and ...

The holiday season officially kicks off tonight. The Rockefeller Center Christmas tree will light up televisions across America on Wednesday as the 91st annual Christmas in Rockefeller Center ...

The Rockefeller Center Christmas tree is standing tall and proud. The world’s most famous holiday tree was driven onto Rockefeller Plaza, raised off its 115-foot-long trailer, spiked, and put into ...

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 ...