I like to think that systems can be built to conserve the energy we're using. I'm not too certain about the debate about global warming/climate change. Below is an excerpt from icecap.us, an organization that has a more nuanced perspective. I notice that geologists are the most sceptical in the scientific community about climate change, which makes sense. They are working with a long view--4.5 billion years--of the Earth's history, as opposed to the meteorological view--60 years at… Continue