Eating meat could become as socially unacceptable as drink-driving because of the impact it has on global warming, according to a senior authority on climate change.
Lord Stern of Brentford, former adviser to the government on the economics of climate change, said people will have to consider turning vegetarian to help reduce global carbon emissions.
"Meat is a wasteful use of water and creates a lot of greenhouse gases. It puts enormous pressure on the world's resources. A vegetarian diet is better," Stern said.