My mum never throws away any ______, but recycles them into new dishes. A. leftovers B. waste C. packaging D. compost

3. _______sites are overflowing with waste, highlighting the urgent need for better recycling programs. A. Landfill B. Leftover C. Resource D. Footprint

Calculating your carbon footprint is necessary, __________ you to understand your impact on the environment. A. allowing B. which allow C. that allows D. allow

7. In the ____ agriculture, farmers try to limit the use of chemicals and fertilizers. A. sustainable B. conserving C. preserving D. supporting

Green building designs are often based __________ energy-efficient principles, reducing environmental impact. A. for B. about C. to D. on

11. Investing in renewable energy may seem costly at first, but in the long _______, it will save money and protect the environment. A. go B. move C. take D. run

Public transport does not pollute the air as much as private vehicles, __________ is why more people should consider using it. A. which B. that C. who D. whose

1. Leaves and grass clippings _______quickly, making them perfect for starting a new compost pile. A. release B. reuse C. decompose D. recycle

14. Creating a _______bin at home is an easy way to turn kitchen scraps into valuable fertilizer for your garden. A. waste B. container C. compost D. layer

10. Always _______your recyclables, like jars and bottles, to prevent contamination in the recycling process. A. give back B. run out C. go back D. rinse out

Organic ______ made from dry leaves and grass can help make your garden healthy and beautiful. A. waste B. compost C. leftovers D. landfills

8. Leaving the water running while brushing your teeth is a waste _______water, a precious resource we need to conserve. A. to B. about C. of D. for

6. Everyday, the world produces carbon dioxide that is ____ to the earth's atmosphere and which will still be there in one hundred years time. A. decompose B. reuse C. recycle D. released