Care for Our Earth：練習問題

Which practice helps an individual save energy and protect the Earth, for example, by maintaining a recommended indoor temperature of \( 25.5^{\circ}\text{C} \)?

According to the curriculum, why is the conservation of natural resources and a good ecological environment essential for our country?

How does the widespread use of fossil fuels (non-renewable energy) most significantly impact the global environment compared to renewable energy?

Which of the following actions is an example of an individual fulfilling their responsibility for environmental conservation at home?

What is the primary objective of the Hong Kong government implementing municipal solid waste charging as a preventive measure?

Name one practical way a student can fulfill their responsibility in environmental conservation while at school.

Explain the difference between renewable and non-renewable energy in terms of their impact on the environment.

How does the government policy of municipal solid waste charging encourage individuals to protect the environment?

Practising the "4R" principles is a key part of protecting our environment.

(a) Among the 4Rs, explain what the "Replace" principle means and give one example of an item you can replace.
(b) Why is using a reusable handkerchief more environmentally friendly than using many paper tissues?
(c) Name one natural resource that is essential for our survival but is limited in its supply on Earth.

Protecting the environment requires both government action and individual effort.

(a) Explain the concept of "waste reduction at source".
(b) Suggest three green living habits that primary students can practice at school to help conserve resources.