Answer Here is some topics from Grammar Your Dictionary.
Is climate change caused by human activity?
What is the best way to reduce food waste?
Should households be required to recycle?
What is the best source of energy for the country?
Should there be a higher tax on gasoline to pay for the environmental effects of driving?
What is the best way to conserve water?
Should lower efficiency light bulbs and appliances be illegal?
Are plastic bags worse than paper bags?
Should new houses and building meet certain energy efficiency standards?
Would a "Green New Deal" help or hurt America?
Should people have a right to stop the construction of a wind farm near their homes?
From - grammar.yourdictionary
Step-by-step explanation: