in the future, a great effort must be made to repair some ofthe damages already done and to stop more harm from done. A 4.__________
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few people throughout the world are becoming less aware of our 5.__________past mistakes and are striving to halt this destruction and to revert
to the use of methods from which will give us full use of our 6.__________resources without destroying them. The job may be a long one,
resources without destroying them. The job may be a long one,require much study and practice. The most important thing that7.__________
those of us who live in towns or cities can do is to take interest in 8.__________those problems and find out what is going on around us.