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Our planet's climate affects--and is affected by--the sky, land, ice, sea, life, and people found on it. To understand the entire story of climate change--what we know, what we still have to learn, and what humankind can do to prepare for the future--we must study all of the natural and human systems that contribute to and interact with Earth's climate system.
"Climate change is the most important puzzle humankind has attempted to solve"