Answer in short:
What are the major causes of degradation of forest in Brazil and India?
Causes of degradation of forests:
1. Deforestation is the major cause for degradation of forests. It is done for mining, building dams, expanding agriculture etc.
2. Industrial development has caused degradation of forests through pollution, over-exploitation, encroachments etc.
Rainforests have decreased in size primarily due to deforestation. Despite reductions in the deforestation rate over the last ten years, the Amazon rainforest will be reduced by 40% by 2030 at the current rate.