Fast Fact

The largest component of renewables generation capacity is wind power, which grew by 28 percent worldwide in 2007 to reach an estimated 95 GW. Annual capacity additions increased even more: 40 percent higher in 2007 compared to 2006.

Renewable electricity generation capacity reached an estimated 240 gigawatts (GW) worldwide in 2007, an increase of 50 percent over 2004.

The fastest growing energy technology in the world is grid-connected solar photovoltaics (PV), with 50 percent annual increases in cumulative installed capacity in both 2006 and 2007, to an estimated 7.7 GW. This translates into 1.5 million homes with rooftop solar PV feeding into the grid worldwide.

Currently, thirty-four states have wind farms.

Of the 3,201 questions the major TV networks directly asked the presidential candidates in 2007, only eight were about global warming.

The part of Antarctica that's melting as a result of global warming is the size of California.

The International Energy Agency estimates that, between now and 2030, $22 trillion in new investment is needed to meet expected demand.

According to the World Health Organization, global warming may be responsible for the deaths of an estimated 150,000 people annually.

The price of home heating oil has more than doubled. A typical family is paying $2,851 to stay warm this winter, an increase of $1,667 since Bush took office.

The price of gas has nearly doubled. Families now spend an average of $1,652 a year more just to keep driving. It cost $30 to fill the tank of a pick-up when Bush took office; now it costs $60.