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Geoengineering the Earth's climate sends policy debate down a curious rabbit hole

2014-08-04 02:44:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: Theres a bit in Alices Adventures in Wonderland where things get curiouser and curiouser as the heroine tries to reach a garden at the end of a rat-hole sized corridor that shes just way too big for. She drinks a potion and eats a cake with no real clue what the consequences might be. She grows to nine feet tall, shrinks to ten inches high and cries literal floods of frustrated tears. I spent a couple of days at a symposium in Sydney last week that looked at the moral and ethical issues...

Tags: policy debate hole climate

Deep sea: Our reliance on & ignorance Earth's largest environment

2014-08-02 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Voice of Russ: The deep ocean is the single largest environment on the planet, and yet we know relatively little about it. A new study aims to raise awareness about how reliant we are on the deep sea - for everything from fish to oil and metals. VoR's Brendan Cole spoke to Dr. Bhavani Narayanaswamy one of the study's authors, from the Scottish Association for Marine Science. The study, published in the Biogeosciences journal brings together chunks of previous research to offer a more coherent account of our...

Tags: environment sea largest deep

May was Earth's warmest on record, NOAA says. Will 2014 set a record, too?

2014-06-24 14:25:00| Climate Ark Climate Change & Global Warming Newsfeed

Christian Science Monitor: While temperatures across the United States in May were unimpressive, it was a different story altogether for the entire planet, which experienced its warmest May since records began in 1880 and could be headed to its warmest year ever, climate scientists say. According to the latest report by the National Oceanic and Atmospheric Administration (NOAA), released on Monday, the average global temperature this May was 59.93 degrees F., 1.33 degrees above the 20th century average. This breaks the...

Tags: set too record noaa

Earth's breathable atmosphere tied to plate tectonics?

2014-06-20 07:20:00| Climate Ark Climate Change & Global Warming Newsfeed

PhysOrg: The rise of oxygen is one of the biggest puzzle in Earth's history. Our planet's atmosphere started out oxygen-free. Then, around 3.5 billion years ago, tiny microbes called cyanobacteria (or blue-green algae) learned out to carry out photosynthesis. They began using energy from sunlight to make their food from carbon dioxide and water, giving off oxygen as waste. But it took another 3 billion years for oxygen levels to climb from trace amounts to at least 20 percent of the atmosphere, or high...

Tags: plate atmosphere tied breathable