Category: Emission reduction

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UK: talking the talk, but not walking the walk on net zero, the ban on onshore wind turbines stays in place

58% of Conservative voters want more solar and onshore wind turbines. Despite this, the current Chancellor in the UK has just decided to leave this ban in place. They have to be called out on this. On shore wind turbines are the cheapest way to make electricity bar none.

This is completely in contradiction to what they are saying. Jeremy Hunt has just released his budget, which includes £20 billion, which will include small nuclear reactor. The energy security minister, Grant Shapps stated

“Already a leader in offshore wind power, we now want to do the same for the UK’s nuclear and carbon capture industries, which in turn will help cut the wholesale electricity prices to among the lowest in Europe”.

This is true, but how much further would we be, if the leading government stopped listening to a small minority of voters, and bought back onshore wind power. This would be good for our emissions, price of power as well as being fantastic for farmers, who can host wind turbines, and be paid for it

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Could English channel ferries be electric within 5 years?

COP26 called for 6 green shipping corridors, and Dover Calais is an obvious place for this. The crossing is just 22 miles, but with over 400 ships crossing a day, it could make a big difference. Thankfully rival operators have signed up – both covering freight and passenger travel. Of course, it is a big risk to be left out as should this work any company still having to buy fuel will quickly go out of business.

This is obviously small compared to the size of P&O channel crossing ferries, but they are coming in fast

Industrial sized electric charging would be required to be installed, so that while the ships unload and then reload, the batteries can be recharged. it would require a large battery, likely using several megawatt hours per trip. Of course, while this is a great deal, it is far less than the fuel that is currently used.

Continue reading “Could English channel ferries be electric within 5 years?”
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Despite the promise to reverse their insane ban on on-shore wind turbines, there are fears that this what is going to happen

On-shore wind-turbines are far and away the cheapest (currently) and easiest form of renewable power to roll out. The UK is targeting net zero emissions by 2050 (as well as a 68% reduction on 1990 levels by 2030), so any rejection of the cheapest and one of the simplest means of power generation goes against all this. More urgent, the aim is to have a power grid that is 100% green by 2035 – just 12 years away.

Why should a very noisy minority be able to stop the countries efforts to cut our carbon footprint.

The simple fact is, that farmers up and down the country can make good extra money by hosting turbines. Whether crops or grazing is the primary use of the land, wind turbines take up a tiny proportion of the land, and have no discernible effect on output.

Continue reading “Despite the promise to reverse their insane ban on on-shore wind turbines, there are fears that this what is going to happen”
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Another habitat which stores vast amounts of carbon needs to be added to our list: Fjords

While Fjords are not particular common, and account for just 0.1% of the ocean surface area, they store 11-12% of the oceans carbon. Put differently, there are thought to be roughly 18 million tons of carbon stored in fjords around the world. To put it in perspective, that is a similar area to a speck of zest compared to the whole orange.

Norwegian fjord photo by Bob Vonderau 
Continue reading “Another habitat which stores vast amounts of carbon needs to be added to our list: Fjords”
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Could fossil fuels be pushed out of electricity generation by 2035 simply by market forces?

A report from Carbon Tracker (a London based non-profit) points out that Solar and wind have the potential of creating thousands of Petawatt hours of electricity a year, while current electricity demands stand at just 27PWh.

More crazy still is the space that it would take to get all our electricity from Solar. It would take 450,000 square km, which sounds like an insane amount of land. However, this is just 0.3% of land and significantly less than the land currently given over to the Fossil fuel industry. Given that much of our energy needs will come from wind, this is likely to be significantly lower. Another analysis suggests just 0.2% of land for solar, with 0.5% covered in wind turbines.

End of Oil Age? might we as a society end the need for oil within the next few decades? Photo credit Alexey
Continue reading “Could fossil fuels be pushed out of electricity generation by 2035 simply by market forces?”
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Fusion breakthrough!

I wrote (rather poorly) back in October about fusion and its potential positives. In the middle of December, we had a breakthrough of incredible proportions.

For the first time, it took less energy to start fusion and sustain it, than was released in the reaction. This is obviously essential, as if it takes more energy to get the reaction to take place, than is generated you are using electricity not generating it.

Could this be the future of all energy creation?
Continue reading “Fusion breakthrough!”
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Easyjet has switched its green aviation focus from electric planes to hydrogen (though it is not giving up on battery planes)

Easyjet has switched its green aviation plans from electric to hydrogen. The aim is now to be flying a 200 person plane by 2035 on hydrogen. Previously, they were working with wright electric on a battery electric plane by 2030.

Currently, aviation emits roughly 2.5% of carbon emissions, and when taking into account non carbon effects, it accounts for roughly 3.5% of human global warming effects.

They have hastened to add, that this does not mean that they are giving up on battery electric, but that they wish to have multiple options. It is also recognized, that at least in the short-term, that while battery electric might be able to replace 80% of easyjets flight paths, the rest are to far for battery electric, unless power density takes a bigger leap forwards than currently expected.

In the meantime, inefficient aircraft are gradually being replaced. Of course this is good both for the environment and the company, as an inefficient plane uses more fuel to fly.

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Hertz has found that electric cars cost 50-60% less money to maintain

With huge savings on electric car maintenance, Hertz has just put in a similar size order (to that for tesla) to GM. This will bring their worldwide number up to over quarter of a million electric cars to rent.

Could hertz become an electric car rental only

It is true that Hertz owns 550,000 electric vehicles around the world, so this move will bring them closer to about 50% of their cars.

Continue reading “Hertz has found that electric cars cost 50-60% less money to maintain”
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The worlds 3 most destructive industries are fossil fuels, farming and fisheries, yet all three are protected by (and subsidized) by governments

Unfortunately these 3 activities appear to be most responsible for collapse or incredible pressure on ecosystems across the globe.

Both fossil fuel extraction and farming have required huge areas to be deforested
Continue reading “The worlds 3 most destructive industries are fossil fuels, farming and fisheries, yet all three are protected by (and subsidized) by governments”
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Could we increase the yields of wheat 600 times through vertical farming?

Vertical farming is a new concept. By growing crops indoors under lights, the crops grow far faster and so can be harvested multiple times a year. Furthermore, by using artificial lights it is possible to have many layers of food.

At the current time, indoor vertical farms only work for expensive fast growing plants, but this will change if electricity prices fall significantly
Continue reading “Could we increase the yields of wheat 600 times through vertical farming?”
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