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地球是我们每个人赖以生存的家园。随着人类社会的发展，我们也不得不承认，这美丽的净土正逐渐被我们所“玷污、甚至摧毁”。扪心自问，你真的忍心继续这样下去吗?4月22日是一年一度的世界地球日，借以呼吁人们保护地球。仔细想一想，也许只有我们把每天都视作地球日，一点一滴地去保护地球，我们才不会有追悔莫及的那一天……“Every day is Earth Day!” squealed the third-grade choir. Most of us barely understood what Earth Day was, let alone appreciate the message of the song. We just knew that every year on April 22nd, we would get gummy worms as a reward if we listened quietly to the importance of not throwing trash on the street and sang a couple of songs. Although I don’t remember the rest of the lyrics, but that first line has echoed in my mind since then. Growing up in Canada, I believed that protecting the environment for future generations was obvious. I soon discovered that this was not the case, as my experiences in both the U.S.A. and elsewhere opened my eyes to how concern about the environment usually fell by the wayside as soon as more immediate crises emerged. Yet with the rate of climate change accelerating over the past few years, causing widespread pollution, desertification , and drought, perhaps the message of that song is more relevant than ever. Maybe on April 22nd, 2015, if we can remind ourselves that taking care of the Earth is a daily requirement, just like eating or sleeping, perhaps we can avoid a future where our children ask “Why wasn’t every day Earth Day?” | 
