Essential viewing: This Deutsche Welle production shows something I’ve been trying to figure out how to communicate for a while.
We often hear renewable bashers mention that “we still rely on fossil fuels for 80 percent of our energy.” This video delves into a vitally important “true, but…” qualifier on that story .
It’s all about understanding energy flows – and once you’ve seen the video, you’ll understand what graphs like the one below are telling us.
I wonder how much energy we’ve saved on air-conditioning just based on the shift from hot incandescents to LED lighting.
Lots of public gyms are in strip malls. I’ve always wondered if a heat pump could move human-generated heat elsewhere.