The Plummeting Cost of Light

My first thought when I saw it was that I would skim through it, since the subject matter may seem fairly obvious. But I found it extremely worthwhile, not only for its helping us understand exactly how artificial lighting went from something too expensive to use to something too cheap to care about, but also for its economic analysis that shows the difficulty in measuring large-scale changes (like this one) on an apples-to-apples basis. Great stuff.


A commenter from Australia raises an interesting issue, noting: Go ahead, protest vigorously, make as much raucous dissent as possible, but don’t be surprised when you find support for your opponents strengthening.
On yesterday’s post on global warming, frequent commenter MarcoPolo notes: “Climate change has been occurring since the creation of the planet.”
As mentioned, Cameron Atwood sent a series of political memes he created, including the one below on climate disruption.
Cameron Atwood sent me 8 – 10 political memes he created, including the one below. Of the entire group, the one that meant the most to me appears below. Coincidentally another friend had made this precise point to me just yesterday: progressive values tend to expand under administrations that people of compassion find most repugnant, as there is a force to fight.
A “SWOT” analysis is a common tool in business; the acronym represents a survey of one’s Strengths, Weaknesses, Opportunities and Threats. As one can imagine, an objective and comprehensive SWOT analysis is something
It appears there are three basic groupings of Americans with respect to our new president. There are citizens who believe that Donald Trump:
For those who haven’t seen the incredibly thought-provoking video below, I recommend it highly. Here are a few comments:
There’s more to “going green” than being a Hollywood trend. It’s not something we ought to talk about or do something about just because Leo DiCaprio or Edward Norton told us to do so. After all, the consequences of not caring for the environment will hit us, regular people, on more extreme proportions.