Advances in high-yield agriculture over the latter part of the 20th century have prevented massive amounts of greenhouse gases from entering the atmosphere – the equivalent of 590 billion metric tons of carbon dioxide – according to a new study led by David Lobell and
The impact of global warming on food prices and hunger could be large
over the next 20 years. But even as some people are hurt, others would
be helped out of poverty, says Stanford agricultural scientist David Lobell.