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Carbon Dioxide Marches On
The end of 2013 marked the first occasional observations of carbon dioxide levels in the atmosphere of 400 parts per million. There is nothing magical about that value, but we do tend to focus on round numbers.
The Carbon XPrize
The Carbon XPrize is a five-year, $20 million competition to identify ways to convert carbon emissions into successful, profitable and useful products. Forty-seven organizations from seven countries are competing for the prizes and include large companies, startups and university researchers.