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Fires have been burning for a month in on Sumatra and Kalimantan in Indonesia, damaging more than 10,000 square km of rainforest. What can be done to control it?

Also on the programme: Jonathan Shanklin, one of the people who discovered the hole in the ozone layer talks about how humanity can change the atmosphere; and how the growing tobacco is contributing to deforestation and soil erosion.

Presenter: Su Ingle.