Multiple choice general knowledge history

Which one of the following is NOT good as far as its effect on global warming is concerned?

  1. Generating power from renewable sources of energy rather than from coal, oil etc

  2. For a short trip, taking a cycle out rather than taking a motor bike or car

  3. Using a LED lamp or CFL in place of usual incandescent lamps

  4. Rather than switching off from the mains, switch off the television through remote
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Switching off electronics through remote rather than from the mains leaves them in standby mode, which continues to consume electricity (often called vampire power). The other options (renewable energy, cycling, LED/CFL lamps) all help reduce carbon emissions and combat global warming.

Keep practicing — related questions