John,
Today is the 50th anniversary of Earth Day. A day to celebrate clean air, land, and water.
I’ll never forget the moment I got out of my seat on my first trip to space and saw our planet from orbit for the first time.
Seeing our planet as a round blue ball floating in the blackness of space, you get a sense that we are all in this together. And you gain an understanding of how fragile our atmosphere is — it looks as thin as a contact lens on an eyeball.
On the first Earth Day, Americans organized and demanded a healthy and sustainable environment.
That led to the creation of the United States Environmental Protection Agency and the passage of the Clean Air and Clean Water Acts.
Now, 50 years later, we have an obligation to continue to advocate for our planet, which is why today I’m asking if you will join me.
It’s up to us to act now so that future generations will inherit a liveable planet.
So thank you for taking this seriously and doing everything you can to protect planet Earth — because there is no Planet B.
— Mark
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Mark Kelly was a Captain in the U.S. Navy and astronaut. Use of his military rank, job titles and photographs in uniform does not imply endorsement by the Department of the Navy or Department of Defense and reference to NASA does not imply endorsement by the National Aeronautics and Space Administration.
