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Groups gear up to issue an emergency alert that carbon dioxide in the global atmosphere has already passed a tipping point. Writing From Sydney -- All around the world, national governments are trying to hammer out their global warming policies, preparing for the United Nations' climate-change conclave in Copenhagen at the end of the year. And in too many places, the effort seems to be going nowhere.

Concern for climate change has declined in the past two years with many countries recording a double digit fall, according to new research released today by The Nielsen Company and the Oxford University Institute of Climate Change. The Nielsen Company. Nielsen/Oxford University research shows that concern and awareness for climate change and the environment peaked in 2007 at the time of the Live Earth concerts and the launch of Al Gore's acclaimed documentary 'An Inconvenient Truth'.

Article investigating the current state of LED lighting solutions. Studies suggest that a complete conversion to the lights could decrease carbon dioxide emissions from electric power use for lighting by up to 50 percent in just over 20 years; in the United States, lighting accounts for about 6 percent of all energy use. A recent report by McKinsey & Company cited conversion to LED lighting as potentially the most cost effective of a number of simple approaches to tackling global warming using existing technology.

NASA and Cisco Inc. announced Tuesday a partnership to develop an online collaborative global monitoring platform called the "Planetary Skin" to capture, collect, analyze and report data on environmental conditions around the world.

sustainability and survivability