Time-Tunneling for Climate Change Clues
Monday, November 23, 2009 - 17:56
in Earth & Climate
(PhysOrg.com) -- If you look closely at individual plant species' responses in the past, you may find that the largest effects of high carbon dioxide (CO2) levels occurred decades ago, according to Agricultural Research Service (ARS) scientists. That is when the botanical structure of the world's grasslands changed dramatically, offering clues to the future.