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Jennifer Marohasy

Jennifer Marohasy

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Climate & Climate Change

That Phrase ‘Holocaust Denier’ Again

September 26, 2007 By Paul

This article ‘Ahmadinejad: The New Boogeyman’ compares ‘Holocaust denial’ to global warming denial:

Mahmoud Ahmadinejad denies the Holocaust. Let me ask this provocative question: so what?

Of course, I understand that people have a visceral reaction to that claim. It is grossly untrue, offensive and ignorant. But we are also told how dangerous Ahmadinejad is because he doesn’t believe in the Holocaust. I fail to see that connection.

There are countless people all across the world that deny many things that are patently true — and we don’t go to war with them over it. Senator Inhofe (R-OK) denies global warming. As far as I know we are not planning on invading Oklahoma over it………

The writer seems to be ignorant of the fact that whilst the Holocaust actually happened, the global warming catastrophe is a computer modelled prediction, not a fact.

Filed Under: Uncategorized Tagged With: Climate & Climate Change

Australia’s Top Policeman: Climate Change ‘a Bigger Threat Than Terrorism’

September 25, 2007 By Paul

Climate change ‘a bigger threat than terrorism’

CLIMATE change, not terrorism, will be the main security issue of the century, with potential to cause death and destruction on an unprecedented scale, Australia’s top policeman believes.

In a surprise foray into the politics of global warming, Australian Federal Police commissioner Mick Keelty described how climate refugees “in their millions” could create a national security emergency for Australia.

His provocative comments, made in a speech in Adelaide last night, are likely to be diplomatically sensitive after he described a scenario in which China was unable to feed its vast population.

Law enforcement agencies would struggle to cope with global warming’s “potential to wreak havoc, cause more deaths and pose national security issues like we’ve never seen before”, Mr Keelty said.

“It is anticipated the world will experience severe extremes in weather patterns, from rising global temperatures to rising sea levels,” he warned.

“We could see a catastrophic decline in the availability of fresh water. Crops could fail, disease could be rampant and flooding might be so frequent that people, en masse, would be on the move.

“Even if only some and not all of this occurs, climate change is going to be the security issue of the 21st century.”

Read more.

Filed Under: Uncategorized Tagged With: Climate & Climate Change

Criticism for AP Article ‘Rising Seas Likely to Flood U.S. History’

September 25, 2007 By Paul

The Associated Press article ‘Rising Seas Likely to Flood U.S. History’ is criticised here.

The article begins:

Ultimately, rising seas will likely swamp the first American settlement in Jamestown, Va., as well as the Florida launch pad that sent the first American into orbit, many climate scientists are predicting.
In about a century, some of the places that make America what it is may be slowly erased.

Global warming—through a combination of melting glaciers, disappearing ice sheets and warmer waters expanding—is expected to cause oceans to rise by one meter, or about 39 inches. It will happen regardless of any future actions to curb greenhouse gases, several leading scientists say. And it will reshape the nation.

Rising waters will lap at the foundations of old money Wall Street and the new money towers of Silicon Valley. They will swamp the locations of big city airports and major interstate highways.

Storm surges worsened by sea level rise will flood the waterfront getaways of rich politicians—the Bushes’ Kennebunkport and John Edwards’ place on the Outer Banks. And gone will be many of the beaches in Texas and Florida favored by budget-conscious students on Spring Break.

That’s the troubling outlook projected by coastal maps reviewed by The Associated Press. The maps, created by scientists at the University of Arizona, are based on data from the U.S. Geological Survey.

Few of the more than two dozen climate experts interviewed disagree with the one-meter projection. Some believe it could happen in 50 years, others say 100, and still others say 150.

Sea level rise is “the thing that I’m most concerned about as a scientist,” says Benjamin Santer, a climate physicist at the Lawrence Livermore National Laboratory in California.

“We’re going to get a meter and there’s nothing we can do about it,” said University of Victoria climatologist Andrew Weaver, a lead author of the February report from the Intergovernmental Panel on Climate Change in Paris. “It’s going to happen no matter what—the question is when.”

Sea level rise “has consequences about where people live and what they care about,” said Donald Boesch, a University of Maryland scientist who has studied the issue. “We’re going to be into this big national debate about what we protect and at what cost.”

Critics included John Christy:

Alabama State Climatologist Dr. John Christy of the University of Alabama in Huntsville, stated that the AP mischaracterized his views on sea level in the article promoting climate fears a hundred years from now.

“[My] discussion [with the AP reporter Seth Borenstein] was primarily about the storm surges which come from hurricanes – that’s the real vulnerability. The sea level is rising around 1 inch per decade, but sea level is like any other climate parameter – its either rising or falling all the time. To me, 16 inches per century is not a significant problem to deal with. But since storm surges of 15 to 30 feet occur in 6 hours, any preventive strategy, like an extra 3 feet of elevation, would be helpful,” Christy wrote to the Inhofe EPW Press blog.

“Thinking that legislation can change sea level is hubris. I did a calculation on what 1000 new nuclear power plants operating by 2020 would do for the IPCC best guess in the year 2100. The answer is 1.4 cm – about half an inch (if you accept the IPCC projection A1B for the base case.) Also, there doesn’t seem to be any acceleration of the slow trend,” Christy explained.

Filed Under: Uncategorized Tagged With: Climate & Climate Change

US Climate Change Science Program (CCSP) Assessed

September 24, 2007 By Paul

Science magazine 21st September:

Extracts from: Panel Gives U.S. Program Mixed Grades

An expert panel says the Bush Administration deserves “a pat on the back” for advancing the science of climate change. But the scientists assembled by the National Academies’ National Research Council (NRC) have serious concerns about the management, funding, and emphasis of the $1.7-billion-a-year Climate Change Science Program (CCSP). President George H. W. Bush created the U.S. Global Change Research Program in 1990 to bring under one umbrella the government’s efforts to understand climate change. In 2002, his son reshuffled the climate deck to create CCSP. Last week, the NRC panel took the first outside look at that program and concluded, says chair V. Ramanathan, an atmospheric scientist at the Scripps Institution of Oceanography in San Diego, California, that its efforts to understand how and why climate has changed and to make predictions are “proceeding well.”

Ramanathan says he’s troubled by the program’s limited success in “assessing [climate change] impacts on human well-being and adaptation capacities.” Those assessments would require reliable forecasts of climate change at the regional if not the local level, Ramanathan notes, a capability the world’s climate modelers are still struggling with. But gauging impacts on humans and figuring out how humans might adapt to climate change will take far more than the $20 million per year now spent within the program on social science studies, the committee said. It will also take better communication between the program and business interests, other agencies, and the general public. For starters, 21 synthesis and assessment reports were due from CCSP by now, but only two have been delivered.

Filed Under: Uncategorized Tagged With: Climate & Climate Change

Czech President Václav Klaus to the UN: Global Warming Hysteria or Freedom and Prosperity?

September 23, 2007 By Paul

One can tell – with a high degree of confidence – what topics are expected to be raised here, this morning when it comes to discussing the key challenges of today’s world. The selection of the moderator and my fellow-panelists only confirms it. I guess it is either international terrorism or poverty in Africa. Talking about both of these topics is necessary because they are real dangers but it is relatively easy to talk about them because it is politically correct. I do see those dangers and do not in any way underestimate them. I do, however, see another major threat which deserves our attention – and I am afraid it does not get sufficient attention because to discuss it is politically incorrect these days.

The threat I have in mind is the irrationality with which the world has accepted the climate change (or global warming) as a real danger to the future of mankind and the irrationality of suggested and partly already implemented measures because they will fatally endanger our freedom and prosperity, the two goals we consider – I do believe – our priorities.

We have to face many prejudices and misunderstandings in this respect. The climate change debate is basically not about science; it is about ideology. It is not about global temperature; it is about the concept of human society. It is not about nature or scientific ecology; it is about environmentalism, about one – recently born – dirigistic and collectivistic ideology, which goes against freedom and free markets.

I spent most of my life in a communist society which makes me particularly sensitive to the dangers, traps and pitfalls connected with it. Several points have to be clarified to make the discussion easier:

1. Contrary to the currently prevailing views promoted by global warming alarmists, Al Gore’s preaching, the IPCC, or the Stern Report, the increase in global temperatures in the last years, decades and centuries has been very small and because of its size practically negligible in its actual impact upon human beings and their activities. (The difference of temperatures between Prague where I was yesterday and Cernobbio where I am now is larger than the expected increase in global temperatures in the next century.)

2. As I said, the empirical evidence is not alarming. The arguments of global warming alarmists rely exclusively upon forecasts, not upon past experience. Their forecasts originate in experimental simulations of very complicated forecasting models that have not been found very reliable when explaining past developments.

3. It is, of course, not only about ideology. The problem has its important scientific aspect but it should be stressed that the scientific dispute about the causes of recent climate changes continues. The attempt to proclaim a scientific consensus on this issue is a tragic mistake, because there is none.

4. We are rational and responsible people and have to act when necessary. But we know that a rational response to any danger depends on the size and probability of the eventual risk and on the magnitude of the costs of its avoidance. As a responsible politician, as an academic economist, as an author of a book about the economics of climate change, I feel obliged to say that – based on our current knowledge – the risk is too small and the costs of eliminating it too high. The application of the so called “precautionary principle,” advocated by the environmentalists, is – conceptually – a wrong strategy.

5. The deindustrialization and similar restrictive policies will be of no help. Instead of blocking economic growth, the increase of wealth all over the world and fast technical progress – all connected with freedom and free markets – we should leave them to proceed unhampered. They represent the solution to any eventual climate changes, not their cause. We should promote adaptation, modernization, technical progress. We should trust in the rationality of free people.

6. It has a very important North-South and West-East dimension. The developed countries do not have the right to impose any additional burden on the less developed countries. Imposing overambitious and – for such countries – economically disastrous environmental standards on them is unfair.

No radical measures are necessary. We need something “quite normal.” We have to get rid of the one-sided monopoly, both in the field of climatology and in the public debate. We have to listen to arguments. We have to forget fashionable political correctness. We should provide the same or comparable financial backing to those scientists who do not accept the global warming alarmism.

I really do see environmentalism as a threat to our freedom and prosperity. I see it as “the world key current challenge.”

www.klaus.cz

Filed Under: Uncategorized Tagged With: Climate & Climate Change

Global Warming and The Karri Forest: A Note from Roger Underwood

September 23, 2007 By Roger Underwood

Articles in The West Australian newspaper on 15th and 17th September 2007 suggested that global warming will lead to the virtual disappearance of Western Australia’s iconic karri forest. The articles quote Dr Ray Wills, a research scientist at the University of Western Australia’s Geography Department, who asserts that karri forests could be reduced to small pockets and marginal remnants in the years to come. He bases this view on projections that the southwest of Western Australia (WA) will become warmer by 2 to 3 degrees in the years ahead, and on the assumption that this warming will in turn lead to a decline in rainfall to the extent that karri will basically die out.

Karri forests are part of the so-called “southern forests” of Australia’s southwest corner. They comprise about 1.3 million hectares of pure karri and karri mixed with jarrah, marri and red and yellow tingle. Apart from several outliers, such as at Boranup (near Margaret River) and Porongorup (east of Mt Barker), all of the present karri forest is found in areas with a long-term annual rainfall of >1100 mm.

However, the present karri forest is also a remnant. Analysis of pollen in geological strata has demonstrated that karri once occupied a very much wider area; indeed it is still possible to find typical karri forest understorey in moist gullies in the northern jarrah forest. The shrinkage of the karri forest appears to have resulted mainly from a decline in rainfall many thousands of years ago.

Karri is well able to survive much higher temperatures than those predicted. The species is adapted to a present-day climate which every summer experiences well above the average temperature, including days over 40 degrees. I have successfully grown karri in Perth and the Darling Ranges, regions with much warmer average temperatures than the lower southwest, and I even succeeded in establishing karri in my arboretum in the Avon Valley where the temperature exceeds 40 degrees day after day from January through to March. Karri was unaffected by these high temperatures. What killed them was winter frosts not summer heat. A feature of the current natural distribution of karri is that frost is very rare and when it does occur it is relatively mild and short-lived.

I believe that a predicted rise in average annual temperature of 2-3 degrees per se will not worry karri, especially if this occurs as a result of milder winters rather than hotter summers.

The problem of lower rainfall is another matter, and already forests all over the southwest of WA (especially wandoo and tuart) are observed declining in the face of below-average rainfall in recent years. The karri forest has also experienced a similar reduction in rainfall, but is not yet showing the same drought symptoms as wandoo and tuart. If there is another substantial decline in the current rainfall pattern, it probably will, unless some action is taken by forest managers.

Luckily something can be done to ameliorate the impact on the karri forest of lower rainfall. This is a well-planned and professionally conducted program of thinning of overstocked regrowth forests plus regular (7-9 year rotation) mild prescribed burning across the whole forest area. Such a program will lead to a higher proportion of rainfall getting through to recharge soil moisture, and will ensure less competition for water at the root zone. Prescribed burning will also reduce bushfire fuels and render old growth forests less susceptible to conversion to dense rainfall-gulping regrowth by high intensity summer fires.

Opponents of thinning and prescribed burning will immediately rise up and condemn this strategy, claiming that it will cause “a loss of biodiversity”. There is no scientific basis for this fear. But if no action is taken and Dr Wills’ doomsday predictions are correct, the biodiversity is going down the tube anyway. Even a 60% reduction in greenhouse gas emissions will not stop the 2-3 degree killer temperature rise according to Dr Wills.

It is my understanding that the jury is still out on the link between a projected higher temperature due to global warming and a projected lower rainfall. Never mind. Even if “normal” rainfall patterns return to south-western WA, the forests will be healthier and more biologically diverse if overstocked regrowth stands have been thinned and mild burning undertaken to reduce fuels and thus minimise high intensity wildfires. And if the predictions of Dr Wills and his colleagues are right, well-managed forests will be better able to cope if a still-drier climate eventuates. The other good thing is that both thinning and burning are standard forestry operations which have been conducted for generations and subject to a great deal of research and monitoring. We know how to do it and that it will work, with no environmental downside.

Incidentally, Dr Wills is by not the first distinguished scientist to predict the extinction of Australia’s southwest forests. In the 1970s geography Professor Arthur Connacher predicted that logging for woodchip-quality logs would result in the “desertification” of the karri forest. Thankfully this has not occurred. And in the 1980s ecologist Dr Wardell-Johnson warned of the imminent loss of the tingle forests on the south coast due to “continental drift”. Australia was at that time thought to be drifting towards the equator at a rate of a few millimetres per century. It has also been too early to detect any evidence of this calamity.

Roger Underwood worked as a forester in the karri forest in the 1960s and 1970s.

Filed Under: Uncategorized Tagged With: Climate & Climate Change, Forestry

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Jennifer Marohasy Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation. Read more

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