We are already seeing the effects of climate change on crop yields. 45 million South Africans are facing severe food shortages in 2020. [48] In Madagascar, hit by the brunt of climatic effects (both cyclones and drought), 50% of the country’s children have had their growth stunted. [49] [50] The number of undernourished people has been on the rise since 2014 after declining for 40 years. [51] [52]