Nature World: Every year, as temperatures warm and the winter snows melt away, forests on the East Coast become a sea of green, just to morph into a display of reds, oranges and greens the following autumn. Over the last two decades, this cycle has gone slightly askew, as a result of climate change, cultivating earlier springs and later autumns.
Using a combination of satellite imagery, tower-mounted instruments and on-the-ground observations, researchers found that forests throughout the eastern United States...