2. For example, lifestyles that save resources and reduce waste, such as using printing paper on both sides, turning off the lights conveniently, and using disposable chopsticks less, are all low-carbon lifestyles.

3. Example:

(1) May our planet be less and less interested in "carbon"!

(2) Green mountains and green waters are always there, and birds and flowers are always there.

(3) The carbon emission is lower and the future is better.

④ Green Earth, low-carbon city.

⑤ Reduce carbon and support a green umbrella for the earth!

⑥ Start with low carbon and go green!