Points: - environmental degradation is a serious problem at national and international level.
- to stop deterioration of environment and attain sustainable development, many world environmental conferences were held at Paris, Rio etc.
- in India, many movements are working on different aspects of environment.
- environmental movements are taking up issues like protection of bio-diversity, protection of different sources of water protection of forest, green belt, pollution of rivers, use of chemicals and their effects etc.
- example : Chipko, Namami Gange etc.