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12 June 2014
Alarmists see a man-made calamity in every change in the Antarctic ice cap.
There is nothing unusual about ice caps melting, ice sheets splitting, icebergs calving or glaciers and sea-ice advancing or retreating. This has been happening naturally for eons.
Gullible Green Scientists trapped in Antarctic sea ice:
The Antarctic ice comes and goes. In 1513, a Turkish sea captain, Piri Reis, using ancient maps, produced an accurate chart of the coastline of Antarctica which is now covered by a kilometre of ice. Geological evidence suggests it was ice-free just 6,000 years ago. Several past eras of icing and melting follow the natural cycles of the solar system, totally ignoring man’s puny activities.
It is not surprising that most glaciers and ice sheets show melting and calving at sea level while snow is being added at their source. If this did not occur, much of Earth’s water would eventually become tied up in the ever-growing ice sheets (as happened in the Ice Ages). And when land-based ice caps melt during periodic warm eras, the sea level inevitably rises and all life-forms must adapt to the new shoreline.
Sea levels rose swiftly by some 130 metres as ice sheets melted at the end of the latest ice age just 13,000 years ago. This made islands out of many coastal hills. We are all descendants of a long line of survivors who had the sense to adapt to these dramatic sea level changes without needing edicts from climate witch-doctors prohibiting camp fires and ordering villagers to abandon their seaside settlements.
There is no evidence that man’s production of carbon dioxide is having any effect in Antarctica. Despite rising levels of atmospheric carbon dioxide, global surface temperatures are steady, global sea levels are rising very gently and the Antarctic Ocean must be cold because the sea-ice surrounding Antarctica has increased to record levels.
Examination of ice cores suggests that it takes several hundred years for Earth’s vast oceans to fully adjust to cycles of global warming and cooling. Thus today’s oceans may be still warming, expanding and degassing in gradual adjustment to the medieval warm era which peaked about 700 years ago.
Ice caps grow and shrink naturally, depending mainly on the relative temperatures of the atmosphere and the surrounding oceans. A warm ocean with a cold atmosphere is a recipe for rapid accumulation of snow and ice on adjacent land. Moisture evaporates rapidly from the warm ocean, and then the cold air over the land triggers precipitation. A warm atmosphere and a cool ocean will reverse that process and see the ice caps melt and return to the ocean. It is all about the ratio of precipitation vs outflow and melting.
The Arctic is a totally different story, because here, there is no land – just the Arctic Ocean. Floating sea-ice comes and goes, depending on the temperature and direction of winds and ocean currents. However, the melting of floating sea-ice has no effect whatsoever on global sea levels.
The amount of Arctic Sea ice trended down for the 15 years ending 2008, but seems to have stabilised since then. However, it has disappeared in the past and will probably disappear again.
Undersea volcanism is adding warmth to oceans at both poles and under-ice volcanoes may well be melting and undermining ice sheets in the West Antarctic.
Someday the huge Antarctic ice cap may melt, or large slabs of ice may slip off the continent into the sea. When that happens, the seaside homes of Al Gore and Tim Flannery will be submerged and other shore-dwelling humans must evacuate or drown.
These are all un-stoppable natural events. There is no chance that polar ice will be affected in the slightest by carbon taxes in Australia, wind turbines in the North Sea, or solar panels plastered all over California.
If you would like to comment on this article go to:
For those who would like to read more about frigid zone alarms:
“Unstoppable Collapse of the West Antarctic Ice Sheet” is not happening:
Piri Reis map of Antarctica – Antarctica ice free!
Sea levels rose by 130 m at the end of the last Ice Age just 13,000 years ago:
Sea Level Change – Living with Uncertainty:
Full report (PDF)
Antarctic Sea Ice at record levels:
A warning of Antarctic melting, dated 1922:
Volcanic Activity beneath the West Antarctic Ice sheet:
Mt Erebus – the most active volcano in Antarctica:
Fire Under Arctic Ice: Volcanoes Have Been Blowing Their Tops In The Deep Ocean:
Viv Forbes, 21 May 2014.
Repeal the Renewable Energy Target, Now.
The Australian government is holding an unnecessary enquiry into whether to abolish the Renewable Energy Target (RET), which mandates that 20% of Australian electricity must come from renewable sources by 2020.
There is only one “renewable” energy source that makes sense for grid power in Australia – hydro-power. But all the good hydro dam sites are either already equipped, or have been sterilised by the same people who demand that we use renewable energy.
Geo-thermal energy works, but Australia’s geology does not have many attractive geothermal sites. Nuclear is also “emissions free” but it is politically prohibited. And we have zero chance of getting approvals to clear-fell forests of timber for burning as biomass.
Which leaves wind and solar as Australia’s “renewable” options. Neither can ever produce continuous power at their “rated” capacity. They are intermittent energy producers. The sun sets every day and there are cloudy days, stormy days and windless days. No amount of “research” will change these laws of nature.
Wind and solar power can be useful in some situations such as remote locations, but when connected to the grid they are energy cripples that can only exist on crutches supplied by reliable power plants using hydro, coal or gas, and subsidised by consumers or tax payers.
The costly RET can have no measurable effect on global warming. It imposes needless costs on poorly utilised backup facilities, and increases transmission costs, network instability, capital destruction and operating losses for existing generators. Germany has already shown how to create renewable energy chaos – let’s not follow their sad example.
This enquiry is an excuse for inaction and delay. The Minister could have dictated the answer to his secretary before smoko one morning: “If we are serious about providing Australian industry and consumers with economical reliable electricity, we must abolish the RET now.”
And if the green Senate refuses to abolish the act, the Minister can use his regulatory powers to change the renewables target from 20% to 2%, and the time limit from 2020 to 2120.
If you would like to comment on this article go to:
Viv Forbes, 26 May 2014.
Poison Propaganda – the Quick-Silver Scares.
The environmental debate today is so corrupted by politics and propaganda that facts are too often distorted, and exaggeration of risk is commonplace.
The vicious war on hydro-carbon fuels is a good example where certain substances are labelled “poison” or “pollution” when associated with coal utilisation, but blithely ignored in other areas.
For example, climate alarmists have labelled carbon dioxide produced by carbon fuels as a “pollutant” and the US Supreme Court even declared it to be so. But that ignores the simple truth that 100 times more carbon dioxide exists in the lungs of every animal on earth than in the air; it is an ingredient in beer, bread and champagne; it is essential nutrition for all plant life on earth; and this plant life supports all animal life - hardly a pollutant.
With their “CO2 pollution” propaganda failing, alarmists are now accusing coal of filling the air with mercury “poison”, which sounds really scary. Their aim now is to use supposed mercury dangers to force the closure of more coal-fired power stations. This is just another aspect of the war on carbon fuels - they want to kill coal by fair means or foul.
However if tiny traces of mercury are so dangerous, why do millions of people allow dentists to put silver amalgam (with 50% mercury) in their teeth? And why does the EPA ignore all the mercury waste that dentists flush down their sinks every day?
And why does the US FDA allow mercury compounds to be used in flu vaccines? And the people attacking the minute amount of mercury in coal are the same people promoting dangerous mercury-laden compact fluorescent lights.
Traces of mercury occur widely in rocks and minerals and it gets taken up in minute amounts by plants, water and animals living near those sources. When those plants form coal, tiny traces of mercury may be there too. In rare places the mercury content of rocks is so high that dangerous quantities may get into nearby plants and sea life. In other places, bushfires release more mercury to the atmosphere than coal-fired power stations.
Mercury has been circulating in the biosphere for far longer than man has been burning coal. Whether it is poison or harmless depends on the dose.
Viv Forbes, 3 June 2014.
To read more on mercury and mankind see:
Believe it or Not – Al Gore Grilled at Last - Retraction
In “Carbon Sense” last month we included a video purporting to be Al Gore being grilled on Global Warming in the US Senate:
We were too trusting. Two readers advised us that this video appears to be patched together from several sources and is not an authentic interview. We try to ensure what we say is true, but this was is not true. Apologies to readers and Al Gore:
Prepared by Viv Forbes and Helpers from:
The Carbon Sense Coalition
Rosewood Qld Australia
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