Posts Tagged ‘sustainable energy’

Artificial Leaves from North Carolina

Sunday, October 3rd, 2010

Thanks to reader Colleen McGuire for pointing out  this interesting development. It does look promising if it can be developed further, although as one of the researchers said, “We do not want to overpromise at this stage, as the devices are still of relatively low efficiency and there is a long way to go before this can become a practical technology.” (more…)

David MacKay: Sustainable Energy – Without the Hot Air

Thursday, January 15th, 2009

In Sustainable Energy – without the hot air UK physicist David MacKay presents plausible back-of-the-envelope estimates of the scales of action needed under various strategies for reduction of global carbon fuel combustion. The numbers he uses are easily checked and his analysis can be re-run with revised parameters if needed. Only when a significant fraction of humanity is capable of actually doing both those things will we have any chance of making the right decisions.