Waterways in Brazil's Manaus choked by tons of trash

In Manaus, the largest city in Brazil's Amazon rainforest, tons of stinking trash fill the canals and streams, giving one the feeling that they're visiting a post-apocalyptic wasteland.

Chaotic climate, chaotic cities fuel Brazil flood toll

Violent rain has killed scores of people and forced thousands from their homes this year in Brazil's most populous states, a disaster experts blame on climate upheaval but also rampant urbanization.

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