More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk, ...

Accelerating along a series of twisting grass tracks, Charles Nicholls pushes his off-road golf cart up the hillside, passing hundreds of saplings sheltered by vertical plastic cylinders. Reaching the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Of all the Christmas traditions, there's nothing quite as magical as visiting a Christmas tree farm. On ...