Global Climate Change Science News

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Scot Dutchy
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Re: Global Climate Change Science News

Post by Scot Dutchy » Sat Dec 24, 2022 10:16 pm

pErvinalia wrote:
Sat Dec 24, 2022 9:28 pm
Sean Hayden wrote:
Sat Dec 24, 2022 10:55 am
You mean drip irrigation? —bog standard stuff really
Not in the Netherregions. It's advanced tech there. :hehe:
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Re: Global Climate Change Science News

Post by Scot Dutchy » Sat Dec 24, 2022 10:17 pm

Please... You dont know what advanced tech is...
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Re: Global Climate Change Science News

Post by L'Emmerdeur » Fri Jan 13, 2023 3:37 pm

Must prioritise shareholder value!

'Exxon’s Own Science Was Scary Accurate About Global Warming. So It Covered It Up.'
Despite sowing uncertainty about the existence and cause of global climate change, Exxon privately projected global warming with frightening accuracy for decades, a new study reveals.

By digitizing and analyzing internal documents produced by ExxonMobil scientists between 1977 and 2002, a team of Harvard and University of Potsdam researchers put numbers behind recent rallying cries and hashtags that “Exxon Knew” that burning fossil fuels would contribute to an increase in the global average temperature.

“Our findings demonstrate that ExxonMobil didn’t just know ‘something’ about global warming decades ago—they knew as much as academic and government scientists knew,” the authors wrote in the study, which was published in Science on Jan. 12. The oil and gas multinational’s data outright paralleled the state-of-the-art work other research institutions around the world were pursuing. But instead of being made available to help support the alarms raised about climate change, the company chose instead to dissemble its findings and publicly call for skepticism on climate change and its causes.

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Re: Global Climate Change Science News

Post by Svartalf » Fri Jan 13, 2023 3:49 pm

How did this come to light>? some leaks, or do they suddenly find an advantage in showing they knew long before it was recognized?
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Re: Global Climate Change Science News

Post by Brian Peacock » Fri Jan 13, 2023 3:53 pm

Svartalf wrote:
Fri Jan 13, 2023 3:49 pm
How did this come to light>? some leaks, or do they suddenly find an advantage in showing they knew long before it was recognized?
... A new study, however, has made clear that Exxon’s scientists were uncannily accurate in their projections from the 1970s onwards, predicting an upward curve of global temperatures and carbon dioxide emissions that is close to matching what actually occurred as the world heated up at a pace not seen in millions of years.

...

The research analyzed more than 100 internal documents and peer-reviewed scientific publications either produced in-house by Exxon scientists and managers, or co-authored by Exxon scientists in independent publications between 1977 and 2014.

...

The analysis found that Exxon correctly rejected the idea the world was headed for an imminent ice age, which was a possibility mooted in the 1970s, instead predicting that the planet was facing a “carbon dioxide induced ‘super-interglacial’”. Company scientists also found that global heating was human-influenced and would be detected around the year 2000, and they predicted the “carbon budget” for holding the warming below 2C above pre-industrial times.

Armed with this knowledge, Exxon embarked upon a lengthy campaign to downplay or discredit what its own scientists had confirmed. As recently as 2013, Rex Tillerson, then chief executive of the oil company, said that the climate models were “not competent” and that “there are uncertainties” over the impact of burning fossil fuels...

https://www.theguardian.com/business/20 ... g-research
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Global Climate Change Science News

Post by macdoc » Sat Jan 14, 2023 8:34 am

It's not new news in the climate fight circles....it was revealed in court documents during the mostly defunct climate wars online ....this is just a new study.
Exxon must defend in court

https://theintercept.com/2019/11/12/cli ... ork-court/

https://www.theguardian.com/environment ... al-heating
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Re: Global Climate Change Science News

Post by Brian Peacock » Sat Jan 14, 2023 10:41 am

It's pretty shameful there was even a 'debate' over this. If journalists and governments had done their due diligence they'd have been fully cognisant of facts decades ago.

Around 1820 mathematician Joseph Fourier hypothesised that there must be some quality to the air which was stopping the energy that reached the planet as sunlight from simply radiating away back into space. All things being equal he suggested, the planet should be frozen. He was right, he just didn't know why or how.

In the 1850s Eunice Newton Foote demonstrated by experiment that CO2 had a thermal capacity c.1000x that of 'natural air'.

In 1896 Svante Arrhenius published an account of atmospheric CO2 which established a direct relationship between its prevalence and global mean temperatures, surmising that global mean temperatures would rise logarithmically with increases in CO2 levels. He calculated that a doubling of CO2--an unimaginable proposition at the time--would lead to around a 5°C increase in mean temperatures. He wasn't that far off the mark given the data he had available.

By the 1930s British engineer Guy Stewart Callendar (good Scottish name for an Englishman!), having noted that the United States and North Atlantic region had warmed significantly during the the previous 100 years, proposed a link between fossil fuel use, CO2 levels, and industrialisation. Until his death in the 60s he continued to argue publicly that human activity was accelerating the greenhouse effect and heating the planet.

In the 1950 US scientist Charles Keeling standardised methods for recording atmospheric CO2, and after making adjustments to historical data to compare against data collected at the time, produced what is now called the 'Keeling Curve' when mapping CO2 against global temperatures - a saw-tooth line on a graph with an upward trajectory over time as levels increase. His work was the basis for a number of early computer models which, taking Arrhenius' proposition, estimated that a doubling of CO2 would result in a 2-3°C increase in global temps.

By the 70s the link between fossil fuel extraction and use, CO2 levels, and global heating had been clearly demonstrated, and that CO2 could hang around in the atmosphere for 100s of years. There really was no excuse not to address the issue - accept that companies like Exxon, Shell, and BP et al, poured resources into disseminating a false 'counter balancing argument' in the public and policy debate, so that for the next 40 years every time a new paper or study highlighted links between CO2 and temperatures, or offered predictions about, say, disruption to the water cycle, changes in albedo, glaciers melting or sea levels rising, the increased prevalence of drought and wild fires, disruptions to food security, the potential for social upheaval, etc, some paid-for mouth piece would be pushed into the space to offer an 'alternate' perspective and dispute the claims and conclusions, criticise the science for not accounting for this-or-that, moralise about the personal failings of researchers, theorise about the malign political motives of climate research and funding, or to simply lie about the know facts.
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Global Climate Change Science News

Post by aufbahrung » Sat Jan 14, 2023 10:50 am

They are only acknowledging climate change because we are past peak oil and they know there's only a finite amount of the stuff left. Climate change being a useful idiot to leverage monetary value from every last drop remaining. And as it runs out the narrative will change to 'climate change has gone too far' so we might has well strip mine the whole planet for shale oils...lithium also for batteries as the future will be hybrid never fully electric. Does crumple have to explain these things? before it gets as bad as it possibly can...and worse.
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Re: Global Climate Change Science News

Post by Brian Peacock » Sat Jan 14, 2023 11:03 am

For once I don't disagree with you. But the peak oil argument is a bit off in as much as development in extraction processes now make it far easier, quicker and cheaper, to exploit small deposits.
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Global Climate Change Science News

Post by aufbahrung » Sat Jan 14, 2023 11:13 am

Brian Peacock wrote:
Sat Jan 14, 2023 11:03 am
For once I don't disagree with you. But the peak oil argument is a bit off in as much as development in extraction processes now make it far easier, quicker and cheaper, to exploit small deposits.
Fracking ruining the worlds arable land water tables....it's complicated I know. And they don't know what they are doing is ruinous or wrong or even plain stupid. Nothing will change, mistake to think it ever will before the planet is dead - they slimy, deceitful devils with a eye on the money - scientists naïve green washers on their behalf....could still be the 1970s for where the debate stands today
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Re: Global Climate Change Science News

Post by aufbahrung » Sat Jan 14, 2023 11:51 am

Seen how well a pandemic virus of even low mortality shuts down industrial civilization across the globe. Surely it is time to think the unthinkable and use the science community prowess with genetics for the greater good? returning human numbers to balance and train wrecking climate change inducing civilization? Not saying it should be openly discussed at the highest level of the science community. Developing a narrative that increase the probability of human survival as a species beyond the end of this century? and a virus...wouldn't even need to release it if the fear of god was generated in the public enough for change because they knew the scientific community was on the verge of a breakthrough of the weaponised polygon sort to combat climate change
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Re: Global Climate Change Science News

Post by Brian Peacock » Sat Jan 14, 2023 1:53 pm

We don't have to invent solutions. We have the means and the tech now. What we lack is a political acknowledgement of what 'existential threat' actually means.
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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Global Climate Change Science News

Post by rasetsu » Sat Jan 14, 2023 6:42 pm

After nature had drawn a few breaths the star grew cold, and the clever animals had to die.

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Re: Global Climate Change Science News

Post by Brian Peacock » Mon Jan 16, 2023 1:37 pm

A bit of a kick up the bracket for Hydrogen power...

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Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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Re: Global Climate Change Science News

Post by Brian Peacock » Wed Jan 18, 2023 3:16 pm

More than 90% of rainforest carbon offsets by biggest provider are worthless, analysis shows

The forest carbon offsets approved by the world’s leading provider and used by Disney, Shell, Gucci and other big corporations are largely worthless and could make global heating worse, according to a new investigation.

The research into Verra, the world’s leading carbon standard for the rapidly growing $2bn (£1.6bn) voluntary offsets market, has found that, based on analysis of a significant percentage of the projects, more than 90% of their rainforest offset credits – among the most commonly used by companies – are likely to be “phantom credits” and do not represent genuine carbon reductions.

The analysis raises questions over the credits bought by a number of internationally renowned companies – some of them have labelled their products “carbon neutral”, or have told their consumers they can fly, buy new clothes or eat certain foods without making the climate crisis worse.

But doubts have been raised repeatedly over whether they are really effective.

The nine-month investigation has been undertaken by the Guardian, the German weekly Die Zeit and SourceMaterial, a non-profit investigative journalism organisation. It is based on new analysis of scientific studies of Verra’s rainforest schemes.

It has also drawn on dozens of interviews and on-the-ground reporting with scientists, industry insiders and Indigenous communities. The findings – which have been strongly disputed by Verra – are likely to pose serious questions for companies that are depending on offsets as part of their net zero strategies...

Whoodathunkit?
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"It isn't necessary to imagine the world ending in fire or ice.
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"This is how humanity ends; bickering over the irrelevant."
Clinton Huxley » 21 Jun 2012 » 14:10:36 GMT
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