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.
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.
Since Francis became pope in 2013, he has often honored Christians who have suffered for their faith in current times. He emphasized that the latest saints can serve as role models for today's Catholics.
With the Cancún Declaration adopted at the Convention on Biological Diversity summit, DW talks to an indigenous leader on how native peoples are defending the Earth's forests - and through that, biodiversity and climate.
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