Tag: spacetime

Metals are often said to be “non-renewable.” It’s suggested there’s no other way to deal with it. But we can renew them—though what’s usually meant is reuse or recycling: renewed use of something that already exists. And that, in turn, is called circular. But that’s not quite correct: it’s prolonged…

How to deal with CO2, causes quite a bit of confusion. (See also earlier [1]) No wonder, considering that focusing on an effect rather than a cause leads to such confusion, but more on that in a moment. I was once again triggered by the debate about Carbon Credits. For…