Climate News Network: Millions in Africa depend on maize, but new crop varieties can barely keep pace with the warming climate. Image: Kate Holt/AusAID via Wikimedia Commons
Scientists warn that plant breeders will need to accelerate development schedules if they are to ensure the ever-growing population can be fed as global temperatures rise. It can take up to 30 years to improve a crop variety, test it and persuade farmers to adopt it. That means the speed of climate change in Africa could make a new variety of...