Health guru shifts focus to protecting environment. National health-care expert Michael Decter, who has devoted many years to fixing Canada's troubled medicare system, said his eyes were opened when he saw Al Gore's apocalyptic film on global warming, An Inconvenient Truth. [News Source]

Scientists: Arctic Ocean level is falling. Scientists say they've discovered the Arctic Ocean's sea level is falling by about 2 millimeters a year, despite a global trend of rising water levels. [News Source]

Researchers say night flights add to global warming. Researchers have found that nighttime airline flights add to global warming. While the overall effect is small, this finding raises concerns about the growing volume of air travel. [News Source]

Thawing permafrost could supercharge warming, study says. Thawing permafrost in the Arctic could play a role in fueling global warming, scientists in Russia and the United States report. [News Source]

Former vice president discusses ‘An Inconvenient Truth’. With lingering images of Hurricane Katrina on New Orleans, sweltering temperatures that killed hundreds in Europe last summer and tropical storms that battered Florida with frightening regularity last year, Gore's film is packing much ammunition. [News Source]

Thawing permafrost could unleash tons of carbon. Ancient roots and bones locked in long-frozen soil in Siberia are starting to thaw, and have the potential to unleash billions of tonnes of carbon and accelerate global warming, scientists said on Thursday. [News Source]

Quebec petroleum companies to pay green tax. The Quebec government will charge a royalty on petroleum products in an effort to combat greenhouse gas emissions, but drivers might be the ones who end up paying for it, some say. [News Source]

As natural gas glut looms, producers eye the weather. The whole world is talking about energy shortages, but for the moment, the U.S. natural gas business is looking at a potential glut. [News Source]

The dirty truth about green fuel. The Bush administration is eager to help agribusiness giants that want to produce the 'green fuel of the future' with their dirty coal-fired power plants. [News Source]

Toyota’s “green” efforts extend to cow dung. The world's number-two car maker said on Friday it had co-developed a cutting-edge composting ingredient and process that drastically reduce nitrous oxide, methane and other greenhouse gases, as well as offensive odours produced by livestock waste -- part of its efforts to clean the environment. [News Source]

“Myth” that green protection hits economy – UNEP. The world must lay to rest a "myth" that protecting the environment harms economic growth, the new head of the UN Environment Programme said on Thursday. [News Source]