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How am I going to live today in order to create the tomorrow I'm committed to?

What I do is very theoretical. It won't necessarily have implications for anything anyone is doing tomorrow, yet you know that there's a sense of progress in science, and as we understand more, it just turns out that, somehow, the world evolves with us.

Earth Day should encourage us to reflect on what we are doing to make our planet a more sustainable and livable place.

What'll we do with ourselves this afternoon? And the day after that, and the next thirty years?

We survived on natural resources, so we should take care of the earth. When I leave home, I do things like switching off the heat and lights.

While I am here, I want to maximize my time on this planet, you know.

We make the world we live in and shape our own environment.

An idea is so impersonal; it is yours today and the whole world's tomorrow.

I'd like to believe that tomorrow is another challenge for me. I'm sure there is lots more for me to do, because there is lots and lots of stuff still to be explored.

Sometimes you just know what you're placed on this earth to do.