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Tag: co2
All eyes on Keeling Curve: Scientists anxious as CO2 levels to cross 400 PPM
2013-05-01 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
InsideClimate: For the first time in human history, concentrations of carbon dioxide in the atmosphere are expected to pass 400 parts per million across much of the Northern Hemisphere in May, according to scientists who study data from the Mauna Loa Observatory, the world's longest-running CO2 monitoring station. While crossing the 400 ppm mark isn't a "tipping point" that signals climate catastrophe, scientists told InsideClimate News, it is an important symbolic milestone that underscores government inaction...
400 ppm atmospheric CO2 levels soon to be surpassed, scientists report
2013-04-30 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Huffington Post: Scientists monitoring global atmospheric carbon dioxide concentrations report that, for the first time in human history, CO2 levels could soon rise above 400 parts per million for a sustained period of time in much of the Northern Hemisphere. Hourly readings have surpassed 400 ppm in the past week, but daily averages remain just below 400, reported The Guardian. Daily readings are expected to surpass 400 ppm in early May. They will reach their annual peak by mid-month. The measurements come...
Tags: report
levels
scientists
co2
Climate chief warns of 'urgency' as CO2 levels rise
2013-04-30 09:59:00| Climate Ark Climate Change & Global Warming Newsfeed
Agence France-Presse: The UN's climate chief called for urgency Monday as she opened a new round of global talks amid warnings that Earth-warming carbon dioxide levels were approaching a symbolic threshold never seen in human history. Data from the Mauna Loa Observatory in Hawaii have shown the concentration of CO2 in the atmosphere to be at 399.72 parts per million (ppm), Christiana Figueres told climate negotiators in Bonn. "We are just about to cross the 400 ppm threshold," she said in a prepared speech that stressed...
Tags: levels
chief
rise
climate
Albertas IETP awarding $33M in allowances to 5 projects to reduce oil sands CO2 and water use, improve recovery
2013-04-27 17:30:13| Green Car Congress
Tags: use
water
improve
projects
Euro Parliament committee approves new 95 g/km CO2 target for cars; super credits and a switch to WLTP
2013-04-25 16:30:22| Green Car Congress
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