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.
Today, I am attending the Smithsonian’s Earth Optimism Summit in Washington, D.C. National Geographic is a co-sponsor of the Summit, along with like-minded organizations that also believe in focusing on solutions for global conservation. If you cannot be there in person, you can still join this unprecedented gathering of thought leaders, scientists, environmentalists, artists, civic leaders and international media via livestream.
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