Sep 2, 2009
Posted in Science at 1:00 pm by David Bradley -- 8 Comments; add yours
Biofuels are not much better than fossil fuels in terms of the impact on atmospheric pollution levels and effects on climate change, according to Mark Jacobson professor of civil and environmental engineering at Stanford University. This is especially true when making claims about the sustainability of biofuels in comparison with hydrogen fuel cells and battery-driven electric vehicles charged up using solar, wind, tidal or other truly renewable energy sources.
To quote from his web page, the …
Mar 28, 2009
Posted in Science at 6:26 pm by David Bradley -- 17 Comments; add yours
Is Earth Hour a great way to raise global awareness of how much energy we are wasting and the possible consequences or our actions? Or, is it simply a cop out so that we can all feel we did "our bit" for the environment without expending any real effort?
With just hours to go for us Brits before we have to switch …
Apr 9, 2008
Posted in Science at 1:00 pm by David Bradley -- 8 Comments; add yours
Biofuels seem to be reaching the headlines on an almost daily basis, with some activist groups touting their benefits as part of a planet-saving strategy for fossil fuel alternatives. Other groups, of course, point out that you don’t get something for nothing and that ravaging ecosystems in order to plant crops for conversion does not provide as straightforward an answer as some people would …
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