carbon dioxide
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Worlds biggest CO2 emitter is feeling the heat: study
The study by Chinese and Canadian researchers found that because of greenhouse gases, daytime highs rose 0.9 degree Celsius in the 46 years ending in 2007.
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U.S. navy researchers try to produce jet fuel from seawater
Researchers have a working lab-scale model using an electrochemical acidification cell.
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Global warming gases hit record levels: U.N
The World Meteorological Organization says carbon dioxide concentration is up 39 per cent since 1750