This piece was originally published in The Guardian and appears here as part of our Climate Desk collaboration. Hundreds of elephants died in Botswana earlier this year from ingesting toxins produced by cyanobacteria, according to government officials who say they will be testing waterholes for algal blooms next rainy season to reduce the risk of another mass die-off. The mysterious death of 350 elephants in the Okavango Delta between May and June baffled conservationists, with leading theories suggesting they were killed by a rodent virus known as EMC (encephalomyocarditis) or…
