Earth Day 2017: Why Optimism is Our Only Choice: An inspiring Earth Day message from Gary E. Knell, National Geographic Society President and CEO

by Gary E. Knell

Today marks our 47th Earth Day — and while we’ve made progress on a number of the challenges we faced in 1970, from leaded gasoline to massive air pollution, there is still so much to do. More to do, even, than we could have ever imagined on that first Earth Day.

Let’s face it. We know our challenges all too well — a warming planet, a growing global population, a race for resources.

All of this has led to a state where worry often outweighs wonder. With all of the problems in the world today, many of us can feel helpless. We can feel like there is nothing we can do. But I want you to know that there is a lot we can do and a lot we are already doing.

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