... poisoning of air and water. Conservation is also concerned with the reclaiming of land by irrigating desert, draining swamps or pushing back the sea. 1. What is conservation? Conservation is ... reservation, you can t travel on this train.’ ’ C. you don’t have a reservation, you can travel on this train. D. you won’t have a reservation, you can’t travel on this train. Rewrite the following ... important part of conservation is the prevention of waste – waste of forests, soil, wild-life, monerals and human lives. As important is the fight against pollution of our environment, in particular,...