For example, GM crops grown in 2010 had an effect on carbon-dioxide emissions equivalent to taking 8.6 million cars off the road.
There is a rich irony here. The rapidly growing use of shale gas in the U.S. has also driven down carbon-dioxide emissions by replacing coal in the generation of electricity. U.S. carbon emissions are falling so fast they are now back to levels last seen in the 1990s. So the two technologies most reliably and stridently opposed by the environmental movement - genetic modification and fracking - have been the two technologies that most reliably cut carbon emissions.Read the whole thing.