Protecting the biosphere is important for the future of the Earth.

Health is very important.

His opinion is very important.

Mirai is my best friend.

Mirai is my best friend.

We have the power to change the future.

Earth is one of the planets in the solar system.

This zoo is putting a lot of effort into the protection of endangered species.

He did his best to protect me from danger.

This park is a no-smoking area.