Tree clearing is a divisive and contentious issue which pits farmers against green groups. The government has vowed to introduce tough new national restrictions if elected as part of its new-look climate change policy.
Professor Peter Cox and Prof Yavindah Mali travel down the Amazon river system for 36 hours to reach a remote research centre where the largest drought experiment in the Amazon is being conducted.
Home to the largest rainforest and mightiest river on earth, this documentary showcases the Amazon and the people and creatures who call it home.