Earth as an ecosystem stands out in the all of the universe. There's no place that we know about that can support life as we know it, not even our sister planet, Mars, where we might set up housekeeping someday, but at great effort and trouble we have to recreate the things we take for granted here.
There's plenty of water in the universe without life, but nowhere is there life without water.
The Earth is a unique system in the universe, the only planet we know of that's hospitable for humankind.
We want to think of ourselves as truly special creatures that are unique in the universe and, well, we are. And we have that capacity to wonder, to question, and to see ourselves in the context of all of life that has preceded the present time, and all that will go off far into the future, one way or another.
It doesn't matter where on Earth you live, everyone is utterly dependent on the existence of that lovely, living saltwater soup. There's plenty of water in the universe without life, but nowhere is there life without water.
Life in the ocean makes Earth hospitable. We are sailing along in the universe and we have a blue engine that is making everything alright.
The Earth is a tiny blue speck in a universe of unfriendly options.
We are blessed with a place that is open to the universe and, despite this, supports this very thin envelope of air we call atmosphere, which holds just the right amount of oxygen for us to breathe.
Use your power to do whatever it takes to secure for humankind an enduring place on this little blue speck in the universe - our only hope.
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