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Solar: the sky is the limit
This week’s record-breaking night flight by the Solar Impulse aircraft has been
widely acclaimed, but few of us are ever likely to fly in such a plane.
Solar thermal seeks U.S. breakthrough
Solar thermal power could be close to a breakthrough in the U.S. market, but only if developers can shave costs to beat back competition from photovoltaic solar systems and attract the huge sums needed to finance the renewable energy plants
G8 leaders set new emissions target
he leaders of the Group of Eight (G8) countries are meeting in L'Aquila, Italy, from July 8 to July 11. On Wednesday, the group announced that it had agreed to a cut in carbon emissions.
Solar-powered plane completes 26-hour flight
The Solar Impulse, an experimental solar-powered airplane, landed in Switzerland on Thursday after completing a successful 26-hour test flight. The flight was a proof-of-concept displaying that a solar-powered aircraft can accumulate enough power from the sun during the day to power it through the night. The team that designed and built the aircraft believes that, in theory, the plane could fly indefinitely, given that there is enough sunlight to power it.
The Energy Impact of Light Bulbs
See how much you can save with LEDs and CFLs over regular old incandescents. Then preorder the book Green Lighting.