At least 100 elephants have died in Zimbabwe’s largest national park in recent weeks because of drought, their carcasses a grisly sign of what wildlife authorities and conservation groups say is the impact of climate change..

Authorities warn that more could die as forecasts suggest a scarcity of rains and rising heat in parts of the southern African nation including Hwange National Park. The International Fund for Animal Welfare has described it as a crisis for elephants and other animals.

At least 100 elephant deaths in Zimbabwe national park blamed on climate change - CBS News