Bengaluru's transformation in recent years into an IT hub has been an environmental nightmare for the city's lakes. One innovative experiment involves floating wetlands made from the waste that would otherwise clog up the water bodies.
World Toilet Day is no joke. No invention has saved more lives than the loo. But 4.5 billion people have to make do without functioning sanitation systems every day.
Young South Sudanese have been meeting every month to clean the capital Juba. The environmental movement is a creative protest against civil conflict and unites people from warring tribes.
Acute water shortage in Bengaluru, nicknamed the Silicon Valley of India, has prompted warnings it would be the next major global city to potentially run out of water. Conservationist Vishwanath Srikantaiah disagrees.
Taking a long walk might not seem like an obvious way to stop plastic pollution, but one woman in India is giving it a try. And she's attracting attention.
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