What would happen without the Amazon?
It generates rainclouds that water some of the world’s most productive farmlands, from Argentina to Texas.
It also helps buffer us from global warming.
As our cars and power plants spew greenhouse gases into the atmosphere, the Amazon’s seemingly boundless plantlife has been soaking up some of that extra carbon.
But the world's largest rainforest is now in trouble.
In 2005, the upper Amazon was struck by the worst drought on record. Another followed in 2010.