maximum concentration of 450 ppm carbon dioxide (~550 ppm CO 2 equivalent) in the Earth’s atmosphere is commonly cited as the limit at which average temperatures can be held at 2 ºC, and many emissions reduction proposals are based upon these two “upper bounds” targets. by Jack Rosebro. IPCC reference emissions scenarios, 2000—2100. MORE >>

Honeywell and DuPont introduced HFO-1234yf to the automotive industry in 2007, and since then, it has undergone extensive testing for safety and efficacy by independent testing groups such as the SAE International Cooperative Research Program, in which leading automakers participate. Earlier post.) The new refrigerant has 99.7% Patent issues. MORE >>

With payments of up to $4,500 for motorists willing to swap their ageing gas guzzling vehicles for more fuel efficient ones, it seemed like a ‘can’t lose’ scheme with consumers getting cheaper cars, the automotive industry enjoying more sales and the environment boosted by a reduction in harmful emissions. So is this scheme green at all? MORE >>

They deliberately suppressed and illegally covered up the EPA’s 2007 ENDANGERMENT FINDING that said the government should begin regulating greenhouse gas emissions because global warming posed serious risks to the country. said Dr. Hansen this same week testifying to Congress and that’s not all he said. The truth is George W. MORE >>

While Exxon continues to spend millions of dollars every single day to defeat climate legislation and desperately avoid having to pay for the damage and destruction their product is responsible for, the souls they’ve bought and paid for in Congress continue to deny the reality of global warming.  Tags: environment or Japan. MORE >>