1)by planting more trees
2)by not polluting the environment
3)by not dumping factory wastes into rivers
4)by not using vehicles for small distances
5)by keeping our surroundings clean
6)by creating awareness in the people
nowadays we find most of the animals are in danger due to the pollution such as polar bearsetc ..........
FIRSTLY WE MUST CREATE AWARENESS IN PEPOLE TO CONTROL POLLUTION
HOPE I HELPED U..............