Times Live: Long-term global warming could cause loaves of bread to shrink in size due to a reduction in the amount of protein in grains, Australian scientists have found. Loaves based on 2050 atmospheric carbon dioxide levels predicted by the Intergovernmental Panel on Climate Change were baked by researchers at the Victorian government and Melbourne University. They emerged smaller and crumpled compared to their present-day counterparts. The scientists discovered that rises in carbon dioxide will increase...