i. Environmental degradation is a serious problem at both, national and international level.
ii. Significant international cooperation is seen in this field, with movements mainly aimed at reducing or preventing environmental degradation.
iii. The environmental movements in India take up issues like protection of bio-diversity, protecting different sources of water, protection of forests and green belt. Also preventing pollution of rivers and reducing the use of chemicals and their ill-effects, etc.
iv. For e.g. Dr. Rajendra Singh brought about 'Water revolution' in Rajasthan. He formed an organisation 'Tarun Bharat Sangh' which worked for building eleven thousand Johad in hundreds of villages.