Evolution of Energy

Two articles published in “Science” state that when taking into account land changes associated with biofuels, that are NOT carbon neutral. The increase in demand for biofuels has resulted in an increase in arable land, which often has resulted in deforestation and destruction of grasslands. Interesting stat: One study finds over a 30 year period. biofuels contribute nearly twice as much carbon dioxide than gasoline would. Read more here.

The livestock industry is responsible for a large amount of methane emissions, a potent green house gas. Interestingly though, kangaroo do not produce methane. Australian researchers are attempting to transfer the bacteria that live in kangaroo stomachs into cattle and sheep. Could this be an easy carbon credit? Interesting stat: In Australia, 14% of green house gas emissions are from cattle and sheep flatulence.  Read more here.