Chala Ahmed had a dream. He wanted to build a waterfront home for his family on the shores of Lake Haramaya, in eastern Ethiopia.

Now, that's impossible. The lake has dried up.

Lakes around the world are shrinking. Some blame climate change. Others believe poor water mismanagement is the root of the problem. Whatever the cause, the shrinking water supply is affecting communities across the globe.

Jessica Partnow reports from Ethiopia.

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