An example of a heated forest plot that's part of the B4WARMED project near Cloquet, Minn. The plot was an average of 3.4 degrees Celsius warmer than a nearby plot that was not heated. Compared to the ...

Pedro Garcia nurses a plate of seeds on his lap. “This is my legacy,” he says, tenderly picking up the seed of a mountain almond – a tree which can grow up to 60 meters (200 feet) tall and is a ...