AS CLIMATE talks in Marrakech drew to a close last week, the UN Environment Programme issued a stark warning of what global warming could do. Harvests of vital crops like rice, wheat and corn could plummet by a third over the next hundred years, it said, leaving billions to starve.
The UN body rang the alarm bells as part of a last-ditch effort to persuade the US and others to ratify the Kyoto Protocol on limiting greenhouse gas emissions. But experts contacted by Â鶹´«Ã½ say that whatever the other consequences of global warming, its effects on crops are much…
