China banned plastic bags. How much plastic waste do we generate?

Grade level: 4th – 5th grades

Skills: Circle graph

Related environmental issues: Reduce/Reuse/Recycle


China announced that they will ban the use of plastic bags and plastic straws in all of China’s major cities by the end of this year. According to the United Nations, single-use plastics are one of the world’s biggest environmental challenges.

The circle graph below shows components of our waste in the United States in 2017.

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  1. What kind of trash do we generate the most?
  2. Which trash do we generate more, plastics or glass?
  3. What trash do we generate as much as plastics?


Source: U.S EPA, 2019. Advanced Sustainable Materials Management: 2017 Fact Sheet

Note: The figure is created by weight.

Answer keys

  1. Paper
  2. plastics
  3. yard trimmings

Which county generated more solar power – the United States or China?

Grade level:  3rd- 5th grades

Skills: Circle graph

Related environmental issues: Energy

The circle graph below shows five countries that generated the largest amount of solar power, electricity generated from solar energy, in the world in 2017.


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  1. What country generated the largest amount of solar power in the world?
  2. What percentage did the United States make up?
  3. What country generated twice as much solar power as Italy?
  4. Did China make up more or less than the rest of the world combined?

Sources: REN 21, 2018



Answer keys

  1. China
  2. 13%
  3. Germany
  4. more