No apology necessary, thank you for being passionate. We need all the passionate people we can get.

One species can make a huge difference in an ecosystem. It can be extremely exciting to watch. It also is one of the easiest ways of making a big difference. For instance, imagine trying to plant all those trees by hand.

One of the cool things that has been happening recently is hawks have been moving into the city again. The pigeons that had previously been breeding and congregating in enormous flocks now have a predator again. But as part of that, more and more electrical poles have had to be shock-proofed. But shock-proofing is really a pretty minor renovation.