Anderson writes:
I'm optimistic about…a pair of very big numbers. The first is 4.5 x 10ˆ20. That is the current world annual energy use, measured in joules. It is a truly huge number and not usually a cause for optimism as 70 per cent of that energy comes from burning fossil fuels.
Thankfully, the second number is even bigger: 3,000,000 x 10ˆ20 joules. That is the amount of clean, green energy that pours down on the Earth totally free of charge every year. The Sun is providing 7,000 times as much energy as we are using, which leaves plenty for developing China, India and everyone else. How can we not be optimistic? We don't have a long-term energy problem. Our only worries are whether we can find smart ways to use that sunlight efficiently and whether we can move quickly enough from the energy systems we are entrenched in now to the ones we should be using. Given the perils of climate change and dependence on foreign energy, the motivation is there.
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About the Author
Dan Denning is the author of 2005's best-selling The Bull Hunter (John Wiley & Sons). He began his financial publishing career in 1997 and has covered financial markets form Baltimore, Paris, London and, beginning in 2005 Melbourne. He’s the editor of The Daily Reckoning Australia and the Publisher of Port Phillip Publishing.
Comment by Ted on 12 July 2007:
"The Sun is providing 7,000 times as much energy as we are using"
I think you meant 700,000 times as much.