The climate change debate continues.

[Jerry_Atrick]

11 hours ago, nomadpete said:

Just pointing out that plantation trees are regenerative, so at least they don't deplete a finite resource (coal) and I suspect they produce far less methane during production (mining), and less toxins during burning. As such would be a 'least bad' option.

Yes, absolutely agree. My point was the article was suggesting the process was carbon neutral, which I don't buy - Carbon offestting - yes, which can't be said about coal.

 

[Jerry_Atrick]

9 minutes ago, spacesailor said:

In Europe

Is almost like saying, "In th world..."

 

Each country has its different standards, both within the EU and outside of it. Cyprus environmental standards, for example, are way more lax than France, and they are within the EU.. And then there are European countries outside the EU, and that includes Russia.

 

So, a bit more info and possibly a reference or two wouldn't go astray.

 

 

[red750]

Australia's largest windfarm is officially switched on to start powering almost a million homes

 

A wind farm projected to be the largest in the southern hemisphere has officially started creating electricity.

 

On Friday, the first stage of the Golden Plains Wind Farm – 100km west of Melbourne - began feeding into the grid after weeks of testing the electricity generation and issues with little parts of the stagnant turbines being blown off in strong winds.

 

 

 

Read more here

[old man emu]

We've spoken about what to do with time-expired wind generator blades. The problem was dealing with the carbon fibre in them. If only there was some other, easier to recycle material from which the blades could be made. Here's an interesting video which shows the use of balsa from seed to blade. 

 

 

[red750]

[pmccarthy]

Hurricanes

Trends in landfalling Atlantic/western Pacific hurricanes have been stable or decreasing since 1950. There is also no global trend in overall hurricane frequency since reliable records began in the 1970s. The apparent increase in the number of hurricanes since the 19th century has been due to changes in observation practices over the years, rather than an actual increase.

Data show no long-term trends in US landfalling hurricanes since the mid-19th century, when systematic records began, either in terms of frequency or intensity. Similarly, after allowing for the fact that many storms were not spotted prior to the satellite era, there are no such trends in Atlantic hurricanes either.

There is growing evidence that wind speeds of the most powerful hurricanes may now be overestimated in comparison to pre-satellite era ones, because of changing methods of measurement.     The increase in Atlantic hurricanes in the last fifty years is not part of a long-term trend but is linked to a recovery from a deep minimum in hurricane activity in the 1970s, associated with the Atlantic Multidecadal Oscillation.

 

See The 2024 Hurricane Season (pdf)

[old man emu]

Let's face it. Two hundred or so years of observations are really insufficient to predict global weather systems that have developed over millions of years as a result of solar radiation and landforms. The behaviour of the atmosphere today is what it is, and all the King's horses etc.

 

At solar midday at 150 degrees East today the shade temperature at my back door was 44.5 C

[octave]

GWPF (Global Warming Policy Foundation) is not necessarily well thought of in scientific circles.   I have no interest in prosecuting this old argument again however I urge people to be thorough in accepting any source and preferably look at many sources.

 

 

This is worth a read

 

The Global Warming Policy Foundation

 

 

[spacesailor]

What do people expect ! .

When we are still coming out of an " ice age " .

No comparisons of the temperatures or humidity,  of pre-ice age era .

Those "  cold blooded " reptilian predators wouldn't have moved so well in 34°c temperatures. 

All the snow & ice in Canada/ Alaska,  is pouring over Niagara falls. 

It will , ( one day )  stop .

spacesailor

[facthunter]

Ridiculous Population growth and fossil fuels use has nothing to do with it?. EVEN  the OIL Companies KNOW it's happening space.   Nev

[spacesailor]

Unless you can chill  this world .

It will revert to a climate that " existed " before the last ice age .

idea's  are more than welcome . 

Any  cooling will help slow this overheating . " solar panels / wind turbines . & wave generators". 

but fighting nature ! . It appears, it is fighting ( back ) at us . 

volcanos & huge forest fires . Are heating the Earth,  as we try cooling it .

 

[facthunter]

Volcanoes usually COOL it. .Greenhouse gases keep the Heat in. Oceans are more acid from absorbing CO2 Atmospheric CO2 is easily measured. From 287 ppm the 410+ and at an ever increasing rate.  ALL glaciers are receding. Ocean temps are rising causing more energy to be in weather systems.  Nev

[kgwilson]

The climate has always changed, but over thousands and millions of years. The change that human intervention has caused is over 300 years. It was very subtle in the first 250 years with only a few thinking there was any cause for alarm before 1980.

 

In 1750 the world population was about 791 million. It is now 8.2 Billion. Since the beginning of the Industrial Revolution we have dug up about 70% of the fuel that took more than 3.2 billion years to establish and BURNED it. The consequences are now being felt at an ever increasing rate. We now have the means to measure everything in detail and establish changes through the ages through analysis of core samples from ice, rock and sediment. The science is irrefutable but some choose to ignore it. This can be a head in the sand attitude, greed, political advantage or just pure ignorance. Take your pick.

[old man emu]

The horse has bolted, and even if we put the slip rails back up now, it is going to take centuries for climatic stabilisation. And that point of stabilisation might be somewhat distant to what it was in 1750. 

[facthunter]

Stock up on air conditioners. Build an impenetrable wall around your house or follow Elon to Mars where the climate is even worse. There is NO PLANET (B).   Nev

[Marty_d]

Just don't come to Tassie, we're full.

[spacesailor]

Has anyone measured the Heat , produced by the solar panel. 

I stand one on our lawn & the grass gets cooked ,

by both reflective & the heat behind the panel.   (  it is moved to face the sun ).

It must produce more heat , than just the sunlight heat .

Do they generate heat while in use ? .

spacesailor

 

[facthunter]

It's the nuclear power stations that need lot's of cooling. It's cooler under solar panels than if the panel wasn't there as energy has been removed. On HOT days the solar panels are LESS efficient.  Nev

[onetrack]

Strangely enough, the blokes who installed our solar system claimed the solar panels they were putting up, produce more power as they get hotter. Someone is fibbing.

 

Interestingly, research appears to show that solar panels contribute to increased urban heating during the day - but they cool the urban environment at night. How that works, I don't know.

 

https://physicsworld.com/a/solar-panels-can-heat-the-local-urban-environment-systematic-review-reveals/#:~:text=A systematic review of 116,) systems%2C the study found.

[nomadpete]

19 minutes ago, onetrack said:

cool the urban environment at night. How that works, I don't know.

19 minutes ago, onetrack said:

 

The good lord works in mysterious ways. Ours is not to reason why.

[spacesailor]

In a cool/cold  night, RC air-conditioners will put out cold air , as the inside gets the heating

I can walk outside to put my hand in front of the AC to feel the cold/heat while inside ,

The opposite happens. 

spacesailor

[facthunter]

They are just heat pumps. Reverse cycle.   Nev

[spacesailor]

Pumping heat into cold rooms , exhausting the cold into the night air .

And on hot days they pump hot air to the already hot atmosphere. 

So , are " recycle AC " bad for our environment. ( and contributing to climatechange ) .

spacesailor

[facthunter]

You cannot make energy that wasn't there. There is NO perpetual motion Machine possible.. Nev

[facthunter]

YES space.  Nev