Len Rosen's blog

Climate Change Update: The Kyoto Protocol Expires December 31, 2012 - What Will Follow?

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With the meetings in Doha, Qatar, coming to an end, is there a successor to Kyoto on the global community horizon? Kyoto was an abject failure but at least it identified strategies for curbing greenhouse gas emissions. Countries that signed the accord in the Developed World, for the most part, achieved the limited treaty goals.

Transportation Update: Going Where No Airplane Can Go - A New Hybrid Air Vehicle

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Solar Ship, a Toronto, Ontario, Canada-based company, my home town, has built a one-of-a-kind, helium-filled, delta-shaped. solar-powered, heavier-than-air, airship. It has properties of both an airplane and dirigible, but doesn't require mooring like the latter. It is even designed to take off with plain air filling its hybrid balloon delta wing in the event of a puncture and helium loss.

Water Update: We Look for it on Mars, Mercury, Vesta and the Moon – We Need it Here on Earth

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This last week we learned that there is frozen water at Mercury’s poles and that water has been detected by Curiosity in its exploration of Gale Crater. Water seems to be abundant in the Solar System but increasingly scarce here on Earth. I’m not talking about oceans of water but freshwater. In previous blogs on this subject we have looked at water stressed areas of the planet.

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