Compact fluorescent lights beat incandescent bulbs by a ratio of 4:1, replacing a 100-watt bulb with a 23-watt CFL saves $76 in electricity costs plus 980 pounds of CO2 over the life of the lamp.
October 7, 2010
UK auctions 4.4 million EUAs at €15.46
October 4, 2010
Canada unveils details of climate financing
October 1, 2010
US may boost vehicle fuel economy to 60 mpg