ENVIRONMENTALLY FRIENDLY / ECO-FRIENDLY

☆ Explanation
Something is <> or <> if it does little or no harm to the environment (= the land, water, and air that surrounds us).

☆ Examples
1. Look for the "I'm Green!" label when shopping for <> office supplies.

2. <> renewable energy sources such as solar and wind have become a lot more affordable recently.

3. We've developed an <> foam packaging that produces no hazardous waste during its manufacture and won't end up in landfills.