Category Archives: Peak oil

Harvest festival time

Its harvest festival time and as we have covered on this blog before just as food security is becoming more important less and less churches have harvest festivals.  My church has not had a harvest festival this year. This is … Continue reading

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One thing we have learnt this week – solar energy payback

One thing we have learnt this week is that solar energy payback is now much faster than people think.  As we wrote in our book all energy sources have to have an energy investment made before you get an energy … Continue reading

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The hydrogen economy myth-part 3

In two posts we had a look at the background science which is necessary to consider the question of the hydrogen economy myth.  Looking at the laws of thermodynamics suggests this idea does not add up.  Beyond these further inherent … Continue reading

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Renewable energy breaks new records

Renewable energy breaks new records in the UK, Germany and the US.  Last weekend on Sunday, its estimated that 75% of Germany’s electricity came from a a mixture of biomass, wind, solar and hydro.  And it wasn’t even a particularly sunny … Continue reading

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Is endless growth possible?

I was going to blog about something else today but then I read an article by Chris Huhne suggesting endless growth maybe possible.  I just had to respond.  We looked at the question of whether endless growth possible in our … Continue reading

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One thing we have learnt this week – oil prices

One of the big surprises of recent weeks has been  oil prices.  With all the turmoil throughout the middle east I would have expected oil prices to be soaring.  Instead they are doing the opposite.  Certainly throughout my life whenever … Continue reading

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eating meat

Is eating meat sustainable?  This controversial subject has been raised again in a couple of recent academic studies.  However, like most areas to do with the environment the whole subject of eating meat is more complicated and less open and … Continue reading

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solar hot water payback

Solar hot water payback is possible.  In the summer of 2008 I was helping man a transition stall when a very posh woman told me that my solar PV system would never pay for itself.  She said should know since … Continue reading

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One thing we have learnt this week – organic food quality

Is organic food quality better than non-organic food quality, other than the lack of pesticides?  This question has been raised recently as part of a debate that has raged for years about the health benefits of organic food.  Past studies … Continue reading

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The traditional sources

In my last look at the BP Statistical Review of World Energy data I will have a look at the traditional sources of energy (if you can call them that).  These are hydro and coal but we will also have … Continue reading

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