Nature World News: Researchers at Dartmouth College are casting doubt on the leading theory of what causes ice ages around the world, which could possibly help shed light on what we can expect in the future as our global climate continues to change.
According to the popular Milankovitch theory of climate, the advance and retreat of ice sheets in the Northern and Southern Hemisphere is caused by changes in the Earth's orbit. That is, when our planet's orbit wobbles, it results in cyclic fluctuations in solar radiation...