Climate change cut global wheat and corn output by more than 3 percent over the past three decades compared to growth projections without a rise in temperatures, a study found on Friday. The impacts translated into up to 20 percent higher average commodity prices, before accounting for other factors, according to the paper published in…

A widely agreed international target to avoid dangerous global warming must take account of local impacts and may need to change, said the chief scientist at the MetOffice Hadley Center, Britain’s biggest climate research center. Julia Slingo said the target of limiting global temperature rise to 2 degrees Celsius (2C) may need adjusting to take…