7.1. Challenges

Try these first

1. 1.

   What does non-biodegradable mean?

   Hint

   Think about how long they last in the environment.

2. 2.

   Name a harmful gas that can be released during incineration.

   Hint

   Recall one of the toxins discussed earlier.

3. 3.

   What is the main problem with non-biodegradable plastics?

   • They are too expensive
   • They do not decompose
   • They are too light

   Hint

   Think about how long plastics last in nature.

4. 4.

   True or False: Incinerating plastics always produces harmful gases.

   • True
   • False

   Hint

   Recall the discussion on incineration risks.

5. 5.

   Propose a comprehensive plan to tackle the challenges posed by plastics in civil engineering, outlining specific strategies for reducing their impact.

   Hint

   Think about multi-faceted approaches that involve people, policy, and technology.

6. 6.

   Analyze the long-term implications of continued reliance on non-biodegradable plastics for infrastructure projects, discussing both environmental and logistical challenges.

   Hint

   Consider what happens to these materials after their intended use.