Climate change has a definite impact on crop yield. The recent impact on wheat crop in India is a case in point: https://phys.org/news/2022-04-india-wheat-crop

Climate change has a definite impact on crop yield. The recent impact on wheat crop in India is a case in point: https://phys.org/news/2022-04-india-wheat-crop-snags-export.html https://phys.org/news/2022-04-india-wheat-crop-snags-export.... > An unusually early, record-shattering heat wave in India has reduced wheat yields [...] Climate change has made India's heat wave hotter, said Friederike Otto, a climate scientist at the Imperial College of London [...] "But now it is a much more common event—we can expect such high temperatures about once in every four years," she said. > India's vulnerability to extreme heat increased 15% from 1990 to 2019, according to a 2021 report by the medical journal The Lancet.