Book Review 1-1 (Green Planet)

On February 2002,The Envisat wents up in the sky. The Envisat sends informations that related to earth environment. Thanks to Envisat,we can know the latest events of all over the world immediatly.
The Envisat has important roles,and it needs to active as "secretary" of earth in order to create a beautiful planet.
In recently,there are many in the world,the earth is polluted day by day. As first step to create a beautiful planet,we should exclude waste things. Aboid to heavy use air contorol,don't flow an oil in river etc---.
Creating a beautiful planet is important assignment for us!