Rising CO2 on declining nutrition in food is big issue, TED talk hears

Carbon dioxide is fuel that helps the plants humans require for food to grow, but researchers are learning that too much of it actually hurts the nutritional quality of rice, wheat and other crops so much of the planet depends on.
Rising carbon dioxide levels in the atmosphere are going to have profound implications for the future of agriculture and public health, epidemiologist Kristie Ebi told a Thursday audience at the TED Talks in Vancouver.
Field studies have revealed that rice crops grown