Perhaps the BEST B1G Forum anywhere, here at College Football Fan Site, CFB51!!!

The wind mills usually have constant speed "props" and turn at the same rate in any wind above threshhold and below max.  That is a more efficient design.

The tips are going really fast and you don't want the tips moving too fast, causes sound issues.  The larger the blades the slower they will turn.

The pitch on the props is constantly adjusting to keep the rotational speed constant.

So, what is KNOWN about climate change?

1.  CO2 levels are rising rather quickly, from about 280 back in the day to over 400 ppm and climbing.  This is a fact.
2.  The additional CO2 is almost all due to burning fossil fuels, also a fact, determined by isotopic analysis of the carbon.
3.  CO2 is a greenhouse gas, if there were none in the atmosphere, the planet would be a lot colder.

Then one gets into models about how much the additional CO2 is warming the climate.  I've tried to read a number of papers on this aspect and it gets really complex quickly.  The models are based on some best guesses about influences, the CO2 influence ALONE is calculable and pretty minor.  However, a slight increase in temperature changes things like ice coverage and albedo, and that generates other warming influences.  Modelers take what is thought to be the temperature history of the planet since say 1880 and devise a model to explain what was already seen.  This is why we have so many different models that arrive at basically the same prediction.  There is no other way to do it.

There is a problem here that Judith Curry goes into at some length, but it's useful to start with what is KNOWN, items 1-3.

We'll no  doubt see some proposed climate legislation and it will be fun to watch what the MIT climate group has to say about how much it would fix climate change over time.  It won't be much, at all.  They plug in the reduction in predicted CO2 generated into the models and calculate how much that will change projected temperatures decades out, the change will be very very minor.

Ya know the folks that attempt to sell that narrative,feel good about themselves then walk away."hey it was up to snuff when we left - stick to our blue print we have it all figured out".These are the same guys that know there is money in the bank because they still have cheques left.Heaven help us

MARCUS, Iowa -- Little Sioux Corn Processors has forged a deal with an Iowa-based agri-business as part of a plan to develop the world's largest carbon dioxide capture and storage project.

Summit Carbon Solutions, a unit of Alden, Iowa-based Summit Agriculture Group, said Thursday it is partnering with a select group of leading biorefiners in Iowa, Minnesota, South Dakota, and North Dakota to execute the first phase of its project, which the company says will put them on the path of ultimately delivering a net-zero-carbon fuel.

The company said it's proceeding with initial engineering, design and permitting associated with the project, which will permanently store carbon dioxide deep underground in saline geologic formations.

In a news release, Little Sioux Corn Processors said its partnership with Summit will capture and deposit 445,000 of tons annually of carbon, dramatically lowering the biorefinery's carbon footprint.


https://siouxcityjournal.com/news/local/northwest-iowa-ethanol-plant-joins-large-scale-project-to-capture-and-store-carbon/article_a222ee6c-c4ee-5c4e-941b-57a04d6c05a5.html

When fully developed, Summit said it will have an infrastructure network capable of capturing and permanently storing more than 10 million tons of carbon dioxide annually, which is equivalent to taking 2 million cars off the road per year.

So, I guess we are back in the Paris Agreement. this is funny, because

Paris courts find French government guilty of not upholding commitment to Paris Agreement | Fox News

So, what is KNOWN about climate change?

1.  CO2 levels are rising rather quickly, from about 280 back in the day to over 400 ppm and climbing.  This is a fact.
2.  The additional CO2 is almost all due to burning fossil fuels, also a fact, determined by isotopic analysis of the carbon.
3.  CO2 is a greenhouse gas, if there were none in the atmosphere, the planet would be a lot colder.

Then one gets into models about how much the additional CO2 is warming the climate.  I've tried to read a number of papers on this aspect and it gets really complex quickly.  The models are based on some best guesses about influences, the CO2 influence ALONE is calculable and pretty minor.  However, a slight increase in temperature changes things like ice coverage and albedo, and that generates other warming influences.  Modelers take what is thought to be the temperature history of the planet since say 1880 and devise a model to explain what was already seen.  This is why we have so many different models that arrive at basically the same prediction.  There is no other way to do it.

There is a problem here that Judith Curry goes into at some length, but it's useful to start with what is KNOWN, items 1-3.

We'll no  doubt see some proposed climate legislation and it will be fun to watch what the MIT climate group has to say about how much it would fix climate change over time.  It won't be much, at all.  They plug in the reduction in predicted CO2 generated into the models and calculate how much that will change projected temperatures decades out, the change will be very very minor.

if there was no CO2 in the atmosphere the planet would not have plants mainly trees and thus there would be minimal animal life on land

wouldn't matter

it's all just Burfle