Inca Empire linked to global warming
Scientists believe a period of global warming contributed to the rise of the Incan Empire by allowing the ancient civilization to plant crops at higher altitudes and bump up their food production.
Scientists believe a period of global warming contributed to the rise of the Incan Empire by allowing the ancient civilization to plant crops at higher altitudes and bump up their food production.
At Boston’s Green Fest participants in the one gallon challenge showed off their prototype vehicles that ran on everything from electricity to wood. One participant modified a Ford F150 pick up to run on biomass.
Nissan’s new all-electric Leaf car will go on sale next year and is packed with advanced IT systems.
A leading member of the U.N. Climate Panel David Vaughan is recording what he says are worrying signs of glacier melt adding to world sea levels. Vaughan, a glaciologist with the British Antarctic Survey, made his remarks to Reuters in an open speedboat crossing a bay on the Antarctic Peninsula which had been blanketed by ice for thousands of years but is now open water. The bay is fed by the small Sheldon Glacier which Vaughan used to illustrate his concerns to Reuters correspondent on the scene Stuart McDill.