Billions could go hungry from global warming by 2100

9:00 08 January 2009 by Catherine Brahic

There is a 90% chance that 3 billion people will have to choose between going hungry and moving their families to milder climes because of climate change within 100 years, says new research.

The study forecasts that temperatures at the close of this century are likely to be above those that crippled food supplies on at least three occasions since 1900.