

But do you really need two? Or three? Remember, there were only about 1.5 billion people on the planet when my grandfather was born. Each extra person is one more consumer driving a big car to that warehouse mega-store, buying cartloads of over-packaged stuff, wanting to build a big new home in a new suburb, and then commuting to a job from an increasingly greater distance from that home.

As an individual, perhaps the biggest single thing you can do is not contribute to overpopulation. I haven’t yet changed my investment portfolio, but I intend to start looking into this option, and I found this source as someplace to start. More importantly, your investment dollars will, in the short run, provide funds for corporations trying to make a greener world. This has two advantages: For one, it may make you money in the long run (fossil fuels are fast becoming passe because they are getting increasingly expensive to extract, while green sources of energy are getting cheaper).

If nothing else, post something to social media about environmental action (instead of that snide joke about the latest abomination by the other political camp). Encourage your friends and family to take action.Here are seven things you and I could do, and should do, beginning with the easiest, and moving to the more difficult. Homer-Dixon had a few suggestions, and after thinking about our conversation, which you can see here, I had a few thoughts of my own.
