Climate Change Hits American Yards
Monday, March 23, 2009 - 11:49
in Earth & Climate
As winter retreats northward across the nation, gardeners are cleaning tools and turning attention to spring planting. But climate change is adding a new wrinkle, and now a standard reference – the U.S. Department of Agriculture's Plant Hardiness Zone Map – is about to make very clear how much rising temperatures have shifted planting zones northward. [More]