Earth Day also unites people around the world with a common mission to strive for a healthy and sustainable future. měi guó zǒng tǒng ào bā mǎ yāo qiú zai bā xī fǎng wèn dòu liú qī jiān tí gong quán sù shí pǐn. Thank you for signing up for our free eChineseLearning live class. Our academic coordinator will contact you within one business day to schedule your free lesson. The beauty of protecting the environment is that even a small change in your lifestyle can have a big impact. To prevent global warming, we must protect the environment. If you live in a city with public transportation, taking the bus or subway instead of paying for a cab or driving your own car is a simple solution.