One of main issues on the agenda at the Copenhagen summit is deforestation.
Seventeen percent of global carbon emissions is caused by people cutting down trees, and the Amazon is particularly at risk.
It is estimated that almost of the rainforest could be gone by 2050 if nothing is done to stop the loggers and farmers who are responsible for most of the destruction.
Paulo Dos Santos lives with his family in a small village called Boa Frente ("Beautiful Front" in English) on a riverbank deep in the Amazon.
This is a snapshot of his life.
