I once met an economist who believed that everything was fungible for money, so I suggested he enclose himself in a large bell-jar with as much money as he wanted and see how long he lasted.

Fire made us human, fossil fuels made us modern, but now we need a new fire that makes us safe, secure, healthy and durable.

Nature does not compromise; a pelican is not a compromise between a crow and otter, it is just a pelican. Nature makes no compromises; any inefficient products are recalled to the manufacturer!

Economies are supposed to serve human ends.. not the other way round. We forget at our peril that markets make a good servant, a bad master and a worse religion.

Many analysts now regard modest, zero, or negative growth in our rate of energy use as a realistic long-term goal.

A package of 35 improvements to typical industrial motor systems can save around 50% of their metered energy…with a simple payback under 16 months.

Nuclear power has died of an incurable attack of market forces and is way beyond any hope of revival, because the competitors are several-fold cheaper and are getting rapidly more so.