What would you do to help preserve Earth's resources for future generations?

Move to within walking distance of work? Go vegetarian? Have one less child? How about just eating less endangered fish?

Then again, maybe just knowing somebody who does that stuff will be enough. That would be a lot easier.

It is our human nature to wait for someone else to take action, but when the problem involves population growth, ongoing pollution and depletion of resources, Carl Safina says that the clock is ticking, and procrastination can only lead to disaster.  He is the president of the Blue Ocean Institute.

Here's the story in a CNN Opinion piece.