Water shortages and drought are some of the effects climate change is having on the natives of the high Andean regions. But there are ways of overcoming these problems.
India is suffering from the worst water crisis in its history. But Rajender Singh has been working to restore supply to more than a thousand villages, and has rejuvenated 11 rivers using traditional techniques.
Until recently, the Peruvian city Cusco stank. But thanks to a more modern sewage system, the Andean metropolis is now not only easier on the climate - it's also easier on the nose. The system even creates biogas.
Plastic pollution and overfishing may currently be in the headlines. But rising CO2 emissions are also a key threat to the ocean that covers 71 percent of the planet, and a major challenge for future life on Earth.
Governments should increase resilience to cope with droughts and flooding due to climate change or else face water crises in the future, says World Water Council's Benedito Braga.
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