Fill in the correct word derived from the word in brackets.These days it is impossible to open a newspaper without reading about the damage we are doing to the environment. The earth is being threatened and the future looks horrible. What can each of us do?We cannot clean up our polluted rivers and seas overnight. Nor can we stop the dissappearing of plants and animals. But we can stop adding to the problem while scientists search for answers and laws are passed in nature’s defence. It may not be so easy to change your lifestyle and habits completely  but some steps are easy to take: cut down the amount of drives you do or use as little plastic as possible. It is also easy to save energy, which also reduces house bills.
We must all make a personal decision to work for the future of our planet if we want to ensure a better world for our grandchildren.