On Line Opinion is the only Australian site where you get all sides of the story. We don't charge, but we need your support. Here�s how you can help.
On Line Opinion is a not-for-profit publication and relies on the
generosity of its sponsors, editors and contributors. If you would
like to help, contact us.
___________
Ernst Schrielf has a PhD in physics and works for a firm building
physics and energy efficiency. He lives and works in Vienna and is the
author of Öko-Bilanz (2021) [Tr. Ecological Balance-Sheet].
