Stephen Mudoga, 12, the son of a farmer, tries to chase away a swarm of locusts on his farm as he returns home from school, at Elburgon, in Nakuru county, Kenya on March 17, 2021. Africa has contributed relatively little to the planet's greenhouse gas emissions but has suffered some of the heaviest impacts of climate change and the reverberations of human-caused global warming will only get worse, according to a new United Nations report released Feb. 28, 2022. (AP Photo/Brian Inganga, File)