FILE – Herder Yusuf Abdullahi walks past the carcasses of his forty goats that died of hunger during a drought in Dertu, Wajir County, Kenya on Oct. 24, 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)