I read somewhere that the waste from old recreational boats hull is several order of magnitude higher than from wind turbine even if we install as much as needed to produce all of our electricity.
Not to be a contrarian but I would just like to note that we can't install wind turbines to produce all electricity needed. Wind turbines only produce electricity when the wind blows and thus can only be part of the energy infrastructure. Even countries like Denmark who has invested heavily in wind since early 90s still only gets a low total amount from wind and has coal powered power plants as backbone energy source. The sensationalist headlines showing 40% electricity production (not total energy) from wind is only in peak periods.
I doubt it is possible to cover the total energy needs without a reliable source like a power plant. I am all for green energy, but reliability and cost are equally important parameters.
those “models” are mostly garbage because they ignore a massive contraint in most areas that are not Australia - transmission. this is completely ignored and all these “predictions” only ever consider energy supply while assuming perfect transmission.
So yes, it is actually quite difficult to get to even 95% renewable energy for an entire year and to do it for multiple years with unpredictable and changing weather is harder still. Also, not every place is Australia.
The thing is net operators will continuously learn and adapt as renewables grow. More transmission lines, dynamic load management, storage at critical points etc. will be implemented as the share in renewables grows.
I didn't say it will be quick, but I think for example that Europe having 95% renewable electricity generation by 2043 is an achievable goal.
I do not dispute the forecasts - i've made several myself. I'm simply disputing that "possible" implies "simple" or "easy".
When you say Europe reaching 95% renewables, what you are referring to is western europe. The road to even 50% renewables is much more difficult in eastern europe. The further away you move from the Benelux countries, Germany, the nordics, the more coal there is, the more gas there is and the less transmission there is. Building transmission lines takes decades from start to finish.
https://www.theguardian.com/environment/2020/aug/06/nautical...
Interested if someone finds out a reference on how much waste is expected from recreational boats.