SAE International (formerly known as the Society of Automotive Engineers) has reconfirmed that R-1234yf is a safe and acceptable alternative to the super-greenhouse gas HFC-134a now used in automobile air conditioners in a recent announcement.
Arctic Environment Ministers are calling for “urgent action” to reduce black carbon, methane, and HFCs in order to help protect the Arctic and reduce the risk of setting off self-amplifying feedback mechanisms that accelerate warming and lead to irreversible impacts.
The US can use existing authority to help meet its pledge to reduce emissions by 17% below 2005 levels by 2020, although Congressional action will be needed to meet the steeper emission cuts needed to avoid the worst impacts of climate change.
Black carbon is the second most powerful climate pollutant behind only carbon dioxide, according to a landmark four-year assessment lead by T.C. Bond, S. J. Doherty, D. W. Fahey, and P. Forster, and a multinational team of 27 other experts, including prominent scientists from China and India.
25 Ministers met today in a high-level assembly in a small room on the side of the UNFCCC negotiations in Doha, and along with representatives from…
Should permafrost thawing accelerate as expected, resulting carbon dioxide and methane emissions will significantly amplify global warming, according to a report published today by the…
Global environmental leaders, gathered in Geneva yesterday to celebrate the 25th anniversary of the ozone treaty, consistently identified a phase-down of super greenhouse gases called HFCs as the number one priority of the treaty as it moves forward.
Without fast action, accelerating climate change impacts will cause more than 100 million deaths and knock off more than 3% of GDP (gross domestic product) by 2030, according to…
The Arctic sea ice has lost an astonishing 260,000 square miles of protective sea ice, the area of France, in the two weeks since the all-time record low was broken.
The world’s most successful environmental treaty turns 25 this week on September 16th. The treaty is the Montreal Protocol and its success has avoided one of the most severe global environmental threats the world has ever faced—the destruction of the stratospheric ozone by chlorofluorocarbons (CFCs).
