The most important thing about global warming is this. Whether humans are responsible for the bulk of climate change is going to be left to the scientists but it's all of our responsibility to leave this planet in better shape for the future generations than we found it.
I doing casual labor by the day. They wouldn't pay you until the next morning. There was a bar that would cash your check if you bought a beer first. A lot of guys never left until they'd drunk up all their money.
