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World Earth Day is on April 22. It's a day when people around the world work to help the planet, including kids. Here are what four kids have done for the planet.

Speaking Out

Jaysa  Hunter-Mellers , 14, spoke at the City Hall to ask leaders to shut the last coal power sta­tion nearby which brought her an asthma £¨Ïø´­£©attack. She didn't think that people would listen to her, a kid. But the coal power station later said it would close. Jaysa learned to speak to her local government at a young age and now she wants to teach others to speak up too.

Helping Butterflies

When Alden Wang was 6, he learned that local butterflies were in trouble because they needed a kind of grass, milkweed, to survive. But milkweed was disappearing. So Alden star­ted growing milkweed in his house, on which the butterflies lay eggs. Alden is now 13 and he cares for eggs and lets them go when they turn into butterflies.

Doing Good for Gorillas £¨´óÐÉÐÉ£©

When Addy Barrett was in the first grade, she learnt that the mountain gorillas were in danger. She wanted to protect them and set up a program called Gorilla Heroes. So far, Gorilla Heroes has raised more than $ 11 , 000 to help mountain gorillas. Addy says, “The feeling of having a fine effect on the world is like no other. It feels so good to know that I am making a difference. ”

Educating the Youth

In the fourth grade, Jeremy Clark and Charlie Abrams saw a picture of the Statue of Lib­erty £¨×Ô ÓÉÅ®ÉñÏñ£©up to her waist in water. It was meant to show what the statue would look like if all the ice in the world is turned into water. In 2019, they started a team called Affected Generation to urge young people to become climate activists. The two also want schools to teach about climate change.

21. Why did Jaysa call on the government to close the coal power station?

A.  It made too much noise.

B.  It caused health problems to her.

C.  She wanted to set an example for others.

D.  She wanted to warn government leaders.

22. How does Alden Wang help butterflies?

A.  By collecting their eggs.

B.  By feeding them on milk.

C.  By turning eggs into butterflies.

D.  By planting grass they lay eggs on.

23. Who set up a team to protect the environment?

A. Aiden Wang.                                   B. Addy Barrett.

C. Jaysa Hunter-Mellers.                     D. Jeremy Clark and Charlie Abrams.