On Thu, 27 Dec 2007 15:55:23 +0000, The Natural Philosopher wrote:
Feel free to add...

23. Sequestration of cow farts?
24. Planting a tree on your head.

You can't just come up with a list like that, anyway. You need committees
and meeja coverage and decades of arguing first... :-)

(For more serious suggestions, can I add public transport and car pooling?)

Jules