Brazilian fisherman Elson de Oliveira, hauls a dead alligator into his boat at Reis Lake, in Manaus, Amazonas state, on Dec. 3, 2009. Plummeting water oxygen levels due to a severe drought have led to thousands of fish dying along the Manaquiri River. MARCIO SILVA / AFP / Getty Images

Brazilian fisherman Elson de Oliveira, hauls a dead alligator into his boat at Reis Lake, in Manaus, Amazonas state, on Dec. 3, 2009. Plummeting water oxygen levels due to a severe drought have led to thousands of fish dying along the Manaquiri River. MARCIO SILVA / AFP / Getty Images

The Big Thirsty: From contamination to droughts to just going without, images from the world’s water crises via Ketsugami