Iraq’s famous Tigris is heavily polluted and in danger of drying up. One of Africa’s largest rivers, the Zambezi, has almost dried up. The Ganges River is experiencing its worst drought in 1,300 years. According to the UN, southern African countries are experiencing their worst drought in 100 years. Last year, Namibian President Nangolo Mbumba declared a state of emergency due to the drought. Similar measures were previously adopted by authorities in Zambia, Zimbabwe, and Malawi.