More than a decade ago, former Vice President Al Gore gave the keynote address when I graduated from Carnegie Mellon University. He praised the school and the city of Pittsburgh for their impressive environmental accomplishments but warned us there was much more work to be done:
There is an African proverb that says if you want to go quickly, go alone. If you want to go far, go together. We have to go far, quickly. And we need your help to do it.