It could be said trees naturally call for attention as they climb toward the sky with their arms outstretched ... fight against climate change. Trees clean the air and vacuum up carbon.

Spruce trees retain ancient memories of their environment and communicate with one other in the hours preceding a solar eclipse, a new international study suggests.

A California-based renewable energy company plans to clear thousands of protected Joshua trees in the Mojave Desert to make way for a solar project that will generate electricity for nearly ...

WELL, TODAY IS EARTH DAY FROM THE CLEANING THE AIR TO KEEPING TEMPERATURES DOWN, THERE ARE MANY HEALTH BENEFITS TO PLANTING TREES. THAT’S WHY A LOCAL NONPROFIT IS MAKING IT THEIR MISSION TO ...

The program sold out last year. The free trees come courtesy of the Portland Clean Energy Fund, the cash-rich fund that flows from a 1% tax on sales transactions with large retailers in the city.