Your response should contain at least 200 words. Your response must have 3 paragraphs. Paragraphs are separated with the markdown divider: ***. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. In your response, the word *environment* should appear at least 5 times. Include keywords *sustainable, conservation, resources* in the response. At the end of your response, please explicitly add a postscript starting with *P.S.*.

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