conserve, Protect something from harm (v), resource, supply of materials (n), discard, get rid or throw away something (v), landfill, area filled with waste material (n), recycle, change waste into reusable stuff (v), reuse, use something again (v), rescue, keep something from being lost (v), remake, make something again (v), sustainability, keeping natural resources to maintain ecological balance (n), value, what something is worth (n), consume, eat or buy (v), scrap, small amount of something leftover (n).

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