"A commodity boom has helped pull millions out of poverty across South America over the past decade. It has also unleashed a new scramble for oil, minerals and cropland that is accelerating deforestation and fueling a new wave of land conflicts from Colombia to Chile."

Some 1300 species of mistletoe -- a plant long used to mark the solstice holiday -- defy many of the conventional ideas surrounding them.

"Better protecting the world's fast-disappearing mangroves could have big economic, social and environmental benefits, experts said at the U.N. climate talks in Lima this week."

"The Aleppo pine tree in Randy Smith’s north-side backyard was 82 feet tall and maybe 60 years old. One of many such trees in his neighborhood, its canopy spread across the yard and offered shade and sanctuary."

"Deforestation in the Amazon rain forest dropped 18% over the past 12 months, falling to the second-lowest level in a quarter century, Brazil’s environment minister said on Wednesday."

"DES MOINES, Iowa — Christmas tree likely will cost a little more this year, and growers like John Tillman say it's about time."

"Over the objection of environmental groups and Virginia's governor, a federal management plan released Tuesday will allow a form of natural gas drilling known as fracking to occur in parts of the largest national forest on the East Coast."

"Bad news in the bug department: The emerald ash borer, a tiny, glitter-green insect from China expected to kill virtually all ash trees in the eastern U.S. - unless they are treated with expensive chemicals - may have a new target."