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How We Know What We Know About Our Changing Climate
Retail Price: Paperback • $11.95 Web Special discount available at checkout When the weather changes daily, how do we really know that Earth's climate is changing? Here is the science behind the headlines - evidence from flowers, butterflies, birds, frogs, trees, glaciers and much more, gathered by scientists from all over the world, sometimes with assistance from young "citizen-scientists." And here is what young people, and their families and teachers, can do to learn about climate change and take action.
