The Earth’s upper atmosphere expands and contracts a bit naturally. But a recent record-breaking collapse has scientists confused. Read the rest of this entry »
Fossil Fuel CO2 Emissions Trends — 1990, 2000, 2008
Overall, global CO2 emissions from fossil fuels increased 29% between 2000 and 2008 and 41% from 1990-2008, and the current concentration of CO2 in the atmosphere is now at its highest in at least 2 million years, according to a…