Carbon Day Featured on evwind.es

April 8, 2009 by carbonday  
Filed under News

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Chicago instala la primera recargadora fotovoltaica para vehiculos electricos

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Tree Facts

• Two mature trees provide enough oxygen for a family of four.
• One acre of trees removes 2.6 tons of CO2 per year.
• About one third of the United States of America is covered by forests
• The average tree in an urban area has a life expectancy of only 8 years.
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