Answer:
at·trac·tive
adjective
(of a thing) pleasing or appealing to the senses.
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The use of he, she, it,<span> or </span>they.
The answer is C. The idiom best describes the process of finding small-scale ways to bring about large-scale changes. In other words, people should help in caring for the world by doing the best things to improve the environment within the proximity. The phrase "Think Globally, Act Locally" was first coined by René Dubos when he spearheaded the group of scientists in the <span>United Nations Conference on the Human Environment. </span>
I think the sentence that uses it correctly is the last one.