global warming

Time to eat the neighbour

I have been hearing about this book “Time to Eat the Dog?” that, as I understand it, goes into the carbon footprint of the pets we share our lives with. According to this book, a medium size dog has a greater carbon footprint than an average SUV. The conclusion, presumably selected for its shock value, is that we should only keep animals if we plan on eating them. I’ve found a fair number of articles on line, including this one on the BBC site, that take this proposal at least somewhat seriously.

I personally think that my cats and, when I had them, dogs were pretty darned important parts of my life. So my “shock value” proposal is a bit different: I suggest we start eating our neighbours…

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Clean Air = Reduced sulfates = Arctic warming?

Recent NASA research suggests that warming trends in the Arctic during the past 40 years aren’t due to CO2 emission increases. Instead, the spike in Arctic temperatures during the past forty years appears to be due to reduced aerosol particulates, specifically to reduced sulfates in the atmosphere. The sulfate reduction is believed to be the result of improved emission standards that were implemented to, ironically, improve the environment through reductions in acid rain. Aerosol sulfates reflect heat back into space, reducing temperatures, whereas different aerosols, termed “black carbon aerosols” and produced largely by burning coal, have the opposite effect: holding heat in.

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Is NASA playing with global temperature statistics?

Liars, damned liars, and statistics. Apparently, several of the most “reliable” temperature recording surveys in the world indicate that the Earth’s average temperatures are actually showing a downward trend during the last decade. But the single most quoted source, NASA, says exactly the opposite. From an article on The Register…

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