Any question answered...

Unless you're walking backwards, for Christmas, across the Irish Sea.

The eco way would be to combine cycling with sailing. Volunteer to crew on a yacht. Somebody might be going from Pwllheli to Dublin. Or Southampton to Cork.

I can't crew. I can't cycle to Southampton or Holyhead. I can't calculate transport infrastructure lifecycle carbon emissions. I'm pretty inadequate really.

rep!

I can't calculate transport infrastructure lifecycle carbon emissions

You don't really need to, because the market has already done it for you. Price is an excellent first order proxy for aggregate resource depletion, so the cheapest is usually the greenest. If you want to get into the weeds, you should probably adjust for market distorting taxes, subsidies and regulations, but ain't nobody got time for that.

Price is an excellent first order proxy for aggregate resource depletion, so the cheapest is usually the greenest.

Like oil and gas vs solar and wind

Don't worry, after the apocalypse I'm sure you'll find fulfilment.

Novice crew are usually welcome on yachts. You just pull a rope or make a sandwich when asked. You don't need to know how to use a sextant.

Like oil and gas vs solar and wind

Yes, exactly like that. Now that solar and wind have had time to scale up and mature, over a much shorter period than the same took for hydrocarbon extraction, they are cheaper. e.g. onshore wind is as low as 3 cents per kWh at some installations, natural gas is about 9c/kWh with an optimum conversion efficiency to electricity of about 60% in a combined cycle gas turbine generator, so 15c/kWh for electricity from gas. Grid scale solar is also from 3c/kWh.

You don't really need to, because the market has already done it for you. Price is an excellent first order proxy for aggregate resource depletion, so the cheapest is usually the greenest.

Even when the market is distorted by tax on fuel for one method and not the other?

the cheapest is usually the greenest

It really isn't, and I think you know that

You know this is nonsense.

CO2 is an externality. Consumption of resources and CO2 production are not the same thing even to first order

It's tricky with today's sail-powered boats. They're very expensive to buy and maintain, but nearly all their fuel is free. They're rich man's toys but sort of green. Things may improve when the cargo shipping industry reverts to wind power https://www.maritime-executive.com/article/wallenius-and-alfa-laval-proceed-with-jv-to-develop-wind-propulsion

Consumption of resources and CO2 production are not the same thing

No, but CO₂ emission is not the only way we're fucking up the planet, for some values of fuck.

Even when the market is distorted

Do you even read?

Conversion of our little house would cost upwards of a hundred grand. The generating costs may have caught up but set up puts solar out of reach for most.

Apparently not but good to see we both agree that air fare pricing is distorted by lack of taxes that apply to every other part of life.

Conversion of our little house would cost upwards of a hundred grand

Yes, individual dwelling solar remains costly. The reason why grid scale is 3c/kWh is that they're putting thousands of panels at ground level in a field, not tens up on somebody's roof. If you had to drill for gas for just your own needs in your back yard, that would be even more expensive than putting up a few solar panels 🙂

air fare pricing is distorted by lack of taxes

And rail fare pricing is distorted nearly everywhere by state subsidy of various kinds.

I have to say you seem to have a tendency to hand-wave away extremely significant factors, and present opinion as fact, in a way you would not accept from others in your own field.

And grid scale is not being considered in my country for solar, yet the government just approved a new offshore drill site. The green option still remains the most expensive.

a tendency to hand-wave away extremely significant factors, and present opinion as fact

I'm not sure how significant tax/subsidy is in the question of whether price is a good proxy for the relative greenery of rail over air or vice versa. Obviously it's a factor, and in some circumstance it will be the factor which, for example, makes rail more expensive but greener for a particular journey at a particular time. I doubt whether it makes the difference which would make it always the case that the more expensive option was the greener, particularly as air is nominally underpriced because it doesn't pay enough emissions tax, and rail is underpriced because it benefits from state subsidies. So you can either delve into full analysis of all the negative externalities of a particular journey taken by all the possible means, or you can be pragmatic and say the less you consume, the less you fuck the planet. That's why not taking the trip at all is the best option.

I'm not sure what you consider to be opinion. When I say something is the case, I'm presenting the current state of my knowledge [AFAIK]. Correct me if I'm wrong.
When I say what should be done, I'm presenting an opinion [IMO]. Persuade me that I'm wrong.

grid scale is not being considered in my country for solar

Well, having the sun go down for six months at a time makes it a less than ideal location 🙂

In the spirit of "What If?", I wondered about solar in the Empty Quarter. Saudi pumps about 10 million bbl a day of crude, which at 6GJ/bbl is
6×10¹⁶/(24×3600)=7×10¹¹W
Solar PV can do about 200W.m^-2, but not all day and there are transmission losses unless everybody moves, so say 50W.m^-2 on average given the location.
That gives 14000km² of solar required to replace Saudi oil, or 2% of the Empty Quarter
The announced Saudi target for solar by 2030 is just 6×10¹⁰W

ETA: For wind power, based on replicating Hornsea Project 3 (2.4GW plated power, 696km²), and assuming 40% load factor, replacing 7×10¹¹W of oil power would need turbines extending over a total area of 200,000km², or about 1/3 of the total area of the North Sea

I need a top tube frame protector like the old kashimax ones.

Seeing as those are hard to come by now, what is the available alternative?

I’d like it to be neat and compact. Not as long pad.

Anyone got a spare Kryptonite frame mount and the silver thing that goes on the lock? PM if you’re interested in getting rid.

Well, having the sun go down for six months at a time makes it a less than ideal location 🙂

It must be worse in London’s Famous since we’re south of it by a couple of degrees.