Carbon Brief: The combination of rising temperatures and air pollution could substantially damage crop growth in the next 40 years, according to a new paper. And if emissions stay as high as they are now, the number of people who don't get enough food could grow by half by the middle of the century.
Burning question
Feeding the world's rapidly growing population is a serious concern.
Research shows rising temperatures are likely to lead to lower crop yields. Other work suggests air pollution might reduce...