Reuters: An expansion of Europe's forests towards dark green conifers has stoked global warming, according to a study at odds with a widespread view that planting more trees helps human efforts to slow rising temperatures.
Forest changes have nudged Europe's summer temperatures up by 0.12°C (0.2°F) since 1750, largely because many nations have planted conifers such as pines and spruce whose dark colour traps the sun's heat, the scientists said.
Lighter-colored broad-leafed trees, such as oak or birch,...