In terms of mathematics textbooks, why can't you have the scale of a national market? Right now, we have a Texas textbook that's different from a California textbook that's different from a Massachusetts textbook. That's very expensive.
I don't think there is any philosophy that suggests having polio is a good thing.
By the time we see that climate change is really bad, your ability to fix it is extremely limited... The carbon gets up there, but the heating effect is delayed. And then the effect of that heat on the species and ecosystem is delayed. That means that even when you turn virtuous, things are actually going to get worse for quite a while.
In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.
DOB - October 28, 1955
Katharine Elizabeth Fullerton Gerould