31 Jul '13, 4pm

Desert tree plantings could lower atmospheric CO2 levels.

31 Jul 2013: Desert Tree Plantings Could Lower Atmospheric CO2 Levels The large-scale planting of jatropha trees in the world’s arid regions could help reduce atmospheric levels of carbon dioxide , a new study says. Using computer models and data from plantations in Egypt, India, and Madagascar, a team of German scientists calculated that plantations of the durable, scrubby Jatropha.org Jatropha tree jatropha — which can also be used as a biofuel — could capture 17 to 25 tons of carbon dioxide per hectare annually. Jatropha is particularly suited for so-called “carbon farming” because it can grow in hot, dry regions where the soil is unsuitable for food crops, according to the study, published in the journal Earth System Dynamics . In addition, the researchers estimate that there are about 1 billion hectares of “unused and marginal” land suitable for cultivating such tree ...

Full article: http://e360.yale.edu/digest/desert_tree_plantings_could_l...

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