| http://www.w3.org/ns/prov#value | - Sometimes I feel there is a glimmer of hope:Researchers found a way to convert a mixture of carbon dioxide (CO2) into natural gas, using nanotubes powered only by natural sunlight.According to Craig Grimes, from Pennsylvania State University, such devices offer a new way to take carbon dioxide from the atmosphere and convert it into fuel or other chemicals, effectively cutting the effect of fossil
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