Plants Save The Earth From An Icy Doom
ScienceDaily (July 2, 2009) — When glaciers advanced over much of the Earth's surface during the last ice age, what kept the planet from freezing over entirely? This has been a puzzle to climate scientists because leading models have indicated that over the past 24 million years geological conditions should have caused carbon dioxide levels in the atmosphere to plummet, possibly leading to runaway "icehouse" conditions.
Plants Save The Earth From An Icy Doom
