Sustainability quiz

More questions about Sustainability

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Which carmaker admitted cheating diesel emissions tests in 2015?

   Answer: Volkswagen

   Why: Its software spotted lab tests and switched on full emission controls only then, so on the road the cars emitted up to 40 times the allowed pollution.

2. 2 Medium

   Which reusable bag must be used most to beat a thin plastic bag?

   Answer: Cotton

   Why: In a 2018 Danish study, organic cotton did even worse than regular cotton, because organic fields yield less fibre.

3. 3 Hard

   What share of Bhutan must stay forested under its constitution?

   Answer: 60%

   Why: Bhutan's forests soak up more carbon dioxide than the whole country emits, making it carbon negative.

4. 4 Easy

   What are most paper coffee cups lined with?

   Answer: Plastic

   Why: The plastic film is bonded so tightly to the paper that only a few specialist plants can recycle the cups.

5. 5 Medium

   What share of all plastic waste ever made was recycled by 2015?

   Answer: About 9%

   Why: About 12% was burned instead, while 79% piled up in landfills or the natural environment.

6. 6 Hard

   Where was the world's first eco-label created?

   Answer: Germany

   Why: Its Blue Angel label began in 1978 with six product groups, including CFC-free spray cans and returnable bottles.