Tag Archives: Climate Change Opinion

Climate clippings 101

A miscellany this week, with an emphasis on Australian policy and opinion.

The main links for each item is in the heading.

1. Kiribati buys land in Fiji

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That’s Millenium Island in Kiribati which tops out at six metres above sea level. In parts of Kiribati the sea level is rising by 1.2 cm a year, about four times more than the global average.

Kiribati recently purchased eight square miles of land about 1,200 miles away on Vanua Levu, Fiji’s second-largest island. The immediate intention relates to food security. They will use the land for agriculture and aquatic farming.

That’s not a lot of land but Kiribati itself comprises just over 100,000 people scattered across 33 low-lying coral atolls totalling about 313 square miles.

The article notes that Kiribati’s reef structure can grow at 10 to 15 mm a year, faster than the IPCC expects sea level to rise, but it is not certain such growth in coral reefs translates to habitable land. My expectation is that later in this century sea level rise will far outstrip any coral growth.

2. Australians unhappy over Coalition’s response to climate challenge

JWS Research on behalf of the Climate Institute found that 70% of Australians accept the mainstream scientific position that climate change is occurring, up 10% since 2012.

while more than half of respondents felt the federal government was the primary body which should address climate change, there was a negative rating of -18 when people were asked to rank the government’s performance.

This compares to a -1 rating from last year.

A mere 20% of those questioned said they are convinced that Tony Abbott is concerned about climate change, with 53% feeling that he isn’t. Nearly a third of people believe opposition leader Bill Shorten is worried about the problem, with around the same proportion of people thinking the reverse is true.

In a further blow to the Coalition, for the first time more people support carbon pricing than oppose it. According to the poll, 34% back the carbon pricing laws, up 6% on 2012. Public opposition to carbon pricing has collapsed by 22% since 2012, when the Coalition was repeatedly attacking the then Labor government over the policy, the poll found.

According to the poll, 47% of people think that carbon pricing is preferable to no climate change policy, with just 22% supporting the government’s alternative Direct Action policy…

3. Shorten vows to ‘re-litigate’ case for carbon pricing

He didn’t expect to have to but he’s prepared to argue the case from first principles. He says:

The real test of political leadership is a willingness to build consensus, to earn agreement, not just to yank the bell at the Downton Abbey political college and expect a servant class of obedient Australians to carry out your will.

Meanwhile confusion reigns in the public mind, so I wish Bill the best of luck. Essential Research found:

Essential report_cropped_600

Support for Direct action is thin and fading in this survey at 9%. Doing nothing rates at 33% (up 3%), nearly matching the total of 38% favouring carbon pricing.

4. Great Barrier Reef tougher than thought

Scientists have put together temperatures from the Great Barrier Reef for the last 20,000 years and found that the reef has survived a range of temperatures.

They found that corals survived a 5°C rise between 20,000 years ago and 13,000 years ago. The reef is more resilient to temperature change than previously thought.

Nevertheless there are a few caveat’s to consider before a general outbreak of optimism,

Dr Helen McGregor, a Research Fellow at the Australian National University and a member of the research team:

“The Great Barrier Reef has coped with temperature changes that have occurred over a few thousand years, but now we are looking at a four degrees Celsius temperature change occurring in 100 to 150 years, so it is much more rapid.”

Then there is the small matter of ocean acidification and other human-caused impacts.

5. Abbott slams green power industry

That was the headline on the front page of the Australian Financial Review on Wednesday. On the front page we read the Abbott spiel:

“The RET is very significantly driving up power prices,” Mr Abbott said.

This, he said. posed a threat to domestic budgets and industry competitiveness, especially energy-intensive industries.

“We should be the affordable energy capital of the world, not the unaffordable energy capital of the world and that’s why the carbon tax must go and that’s why we’re reviewing the RET.”

Then over on page four we read the truth:

ACIL modelling for the Warburton review finds keeping the RET will cut average household power bills by $56 per year by 2021-2030 [sic] and extending it to 30 per cent will save householders $158. Source ACIL Allen

Andrew Richards, head of external affairs at Pacific Hydro, said recently approved gas price rises in NSW will add up to $240 a year to the average household bill. There are bigger fish to fry.

It’s a pity that the AFR can’t tell the truth on the front page – that Tony Abbott is telling porkies again.

Reminder: Use this thread as an open thread on climate change.

Climate clippings 100

Kiribati_Fanning Is_478950-3x2-340x227Climate clippings_1751. Climate clippings reaches 100

Generally speaking I don’t rate the number 100 much except that it’s the number after 99 and the number before 101. Which might be just as well because when I was going through all the posts after transporting them (thanks tigtog) from Larvatus Prodeo I found two with the same number. So the 100th edition was actually number 99!

If you like to laugh Graham Readfearn has assembled 11 climate change comedy video clips to celebrate his 50th post on Planet Oz. I can recommend John Oliver and Australians for Coal, for example. There’s a bad language warning on the latter.

Huffpost has 9 Political Cartoons That Put Climate Change In Perspective:

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2. Dust increases Greenland’s ice melt

A ‘normal’ Greenland summer melt is illustrated by the left-hand panel taken at 8 July 2012, when about 40% of the ice sheet was subject to melting.

Figure 8

The right-hand panel shows what happened for about a week thereafter and is not relevant except as a harbinger of things to come.

A new study looks at the increased melting from dust and soot. It found that a relatively minor decrease in the brightness of the ice sheet could cause double the average yearly rate of ice loss seen over the period 1992-2010.

assets-climatecentral-org-images-uploads-news-6_8_14_Brian_GreenlandDirtyIce-350x467

Soot resulting mainly from wildfires in North America and Russia has a greater melting impact than dust as such. However, increased dust is being produced in the Arctic and finding its way to the Greenland ice. Now 150 times as much dust as soot has been found at a site in the north-east.

While this can’t be extrapolated to the rest of the ice sheet, there is concern that Greenland melting could be greater than previously thought. See also Antarctic images for context.

3. Green jobs declining in Australia

Yes green jobs are declining in Australia:

Australia is one of the few places in the world where green jobs are decreasing according to figures released by the International Renewable Energy Agency.

Globally the sector now provides an estimated 6.6 million jobs, an increase of 800,000 from 2013 figures, but in Australia, jobs across solar photovoltaics and solar heating have declined, with up to 22 per cent of jobs lost in PV and 20 per cent in heating, according to Ethical Jobs general manager Michael Cebon.

This is happening:

entirely the result of government policy, both through loss of incentives at the federal level and backpedalling by state governments.

While a structural shift is occurring in the workforce elsewhere, Australia is regressing. The graphic shows the jobs potential of investment in various sectors:

comparison-fossil-and-renewable-380x513

4. Climate change impacts will ‘cost world far more than estimated’

That’s according to Lord Stern. He says that:

the economic models that have been used to calculate the fiscal fallout from climate change are woefully inadequate and severely underestimate the scale of the threat.

That includes those cited by the IPCC. They ignore the science, the full range of risks and simply assume away some of the worst economic impacts.

5. Historians will look back and ask ‘why didn’t they act?’

That’s the question asked by science historian Naomi Oreskes in her

latest book, The Collapse of Western Civilization: A View from the Future, [which] imagines a Chinese scholar in 2393 analysing the slow-motion disintegration of 21st-century democracies as they fail to tackle a growing environmental catastrophe.

It’s not a pretty picture.

By the end of the book, co-written with fellow historian Eric Conway, the Netherlands and Bangladesh are submerged, Australia and Africa are depopulated, and billions have perished in fires, floods, wars and pandemics. “A second dark age had fallen on Western civilisation,” Oreskes writes, “in which denial and self-deception, rooted in an ideological fixation on ‘free’ markets, disabled the world’s powerful nations in the face of tragedy.”

Oreskes and Conway say it’s a worst-case scenario, not a prediction.

One way or another, the game is up, we need to act with vigour and determination.

6. Coal to fuel human progress for decades – Tony Abbott

Our fearless leader has been strutting his stuff on the world stage, ignoring the science and embarrassing us all. He told Texan business leaders that:

we don’t believe in ostracising any particular fuel and we don’t believe in harming economic growth.

“For many decades at least, coal will continue to fuel human progress as an affordable energy source for wealthy and developing countries alike.”

Under the fig leaf of Direct Action anything goes.

Meanwhile Julie Bishop confirms that climate change won’t be high on the G20 agenda.

Once again they are out of tune with the nation. In a recent opinion poll 57% of those polled said the government should take climate change more seriously.

while more than half of respondents felt the federal government was the primary body which should address climate change, there was a negative rating of -18 when people were asked to rank the government’s performance.

This compares to a -1 rating from last year. These rankings are the differential between respondents’ “good” versus’ “poor” response to the government’s performance.

Reminder: Use this thread as an open thread on climate change.

7. Pacific presidents speak out against Australia’s stand on climate change

Out in the Pacific they are not happy with Abbott’s policy stance. The sea is coming up and they are going down. Here’s Fanning Island in Kiribati:

Kiribati_Fanning Is_478950-3x2-340x227

Climate clippings 99

This edition is somewhat themed around climate policy and planning in China, the US and Australia. It also includes items on puffins in Maine, the Lowy Institute poll and the warm weather we’ve been having in May.

1. Petey Puffin dies on camera

Puffin_maine_500

Puffins were once common on the coast off Maine but were eliminated by overhunting. In recent years there has been a project to repopulate the area, which was proceeding well accompanied by a cam project where children around the world could watch the birds in their habitat. Petey Puffin, a chick being fed by its parents became a popular focus. The only problem was that the parent birds kept bringing him butterfish which were just too large for him to swallow. This went on day after day until the chick died on camera.

The project co-ordinator then checked the 64 other burrows being monitored to find that only 30% of chicks survived.

Problem was that hake and herring normally abundant around Maine had moved north as the water warmed to be replaced by butterfish.

The warmer water brought many other changes to the waters off Maine.

Incidents such as these remind people that they are living in the midst of climate change.

Puffin_MAINE_B_300

2. President Obama gets serious on climate change

From John Abraham at Climate Consensus – the 97%:

President Obama just announced a major effort to reduce global-warming gases from United States power plants. These new rules, and his prior strong actions on climate change, signify a major shift for the United States. No longer is the U.S. the world laggard on dealing with climate change – we are quickly becoming the leader.

We finally have a president that understands science. We finally have a president that honestly includes scientists as decision makers – rather than effectively muzzle them. We finally have a president that recognizes the social and economic costs of climate change. We finally have a president who is charting a pathway that may lead us to bend the curve of emissions downward so that the most serious climate change consequences are avoided.

Most importantly, we finally have a president who is a world leader.

3. Not everyone is happy

John Podesta before rejoining the White House inner circle in an interview said history will not applaud the measures taken by Obama as it fails to meet what the science demands. It won’t limit us to a 2°C temperature rise, and 2°C is too dangerous.

A 30% reduction by 2030 from 2005 levels shrinks to 7.7% if you use the international baseline of 1990. Moreover, coal will be replaced by gas, where the ‘fugitive’ methane emissions are not counted.

Podesta says that in Obama’s first term his top aides never took climate change seriously. Ironically, Podesta as Obama’s transition director in 2008 helped select those aides.

4. China to cap emission

China will seek to cap fossil fuel emissions for the first time, we are told.

Reading carefully it seems that emissions will still grow, but not as fast as business as usual.

Pointing out that there are 1.6 billion people in the US and China, Amanda McKenzie CEO of Climate Council thinks the decisions are a game changer.

5. Time for Tony Abbott to admit his climate policy is crap

In case you missed it, that is Giles Parkinson’s advice to Abbott.

Parkinson says Australia should be embarrassed by its lack of action compared to the United States and China, which has indicated it will place a cap on its emissions as soon as 2016.

Ironically, Abbott could have a pretty good collection of climate and renewable energy policies just by doing nothing. Everything Labor put in place is still there, apart from Tim Flannery and the Climate Commission, which has morphed into the Climate Council with private money and public donations.

6. Lowy poll

The Lowy Institute Poll 2014 is now available.

The number of Australians now saying global warming is a “serious and pressing problem” and that “we should begin taking steps now even if this involves significant costs” is now 45%.

Some 38% now say the the problem of global warming should be addressed, but its effects will be gradual, so we can deal with the problem gradually by taking steps that are low in cost. 15% think we should leave it until we are sure it’s a problem if costs are involved. Here’s the graph:

Lowy poll 1_cropped_600

63% of people thought the government should be taking a leadership role in reducing emissions.

Lowy poll 2_cropped_600

I guess Abbott would claim that’s what they are doing.

7. Heat wave in May

Will Steffen talks here and here about the unusually warm period in May, which I believe officially rates as a heat wave.

A remarkable, prolonged warm spell occurred over the period 8-26 May, with daytime temperatures 4 to 6°C above normal over much of south-central Australia, extending from South Australia and northwest Victoria into Queensland and the Northern Territory.

The Scientific American noticed.

BOM think we are in for a warm winter:

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And drier for large parts of the southern mainland:

rain.national.lr

Reminder: Use this thread as an open thread on climate change.

Quicklink: Roger Jones on Bolt on Bandt

NSW fires_250Adam Bandt recently wrote an opinion piece in The Guardian suggesting a link between the NSW fires and climate change, then suggesting that the Abbott Government’s action, or lack of it, on climate change has real implications for loss of life. This incurred the displeasure of one Andrew Bolt who, inter alia, quotes or rather misquotes Roger Jones.

Roger takes a look at these doings at his blog Understanding Climate Risk.

It turns out Bolt is the one who is wrong, wrong, wrong. Oh, and a disgrace, but we already knew that.

Update: Roger Jones has two more posts up:

Fire and climate change: don’t expect a smooth ride

Backburning

Climate clippings 75

Climate clippings_175

1. The scientific consensus remains solid

Suzanne Goldenberg in The Guardian has the story. A study led by John Cook of Skeptical Science fame considered the work of some 29,000 scientists published in 11,994 academic papers between 1991 and 2011.

Of the 4,000-plus papers that took a position on the causes of climate change only 0.7% or 83 of those thousands of academic articles, disputed the scientific consensus that climate change is the result of human activity, with the view of the remaining 2.2% unclear.

The survey found that the consensus has grown slowly over time, and reached about 98% in 2011.

The study authors tell their story at Skeptical Science and the Guardian’s new blog.

Of the papers which specifically examine the contributors to global warming, they virtually all conclude that humans are the dominant cause over the past 50 to 100 years.

Continue reading Climate clippings 75

Tipping point for climate action?

Recently the Climate Commission issued a report in its The Critical Decade series on Extreme Weather looking at the issues of

  • Heat
  • Bushfires
  • Rainfall
  • Drought, and
  • Sea level rise.

At Radio National’s The World Today Professor Lesley Hughes, a Macquarie University ecologist, talked to Eleanor Hall.

The report looks at extreme weather experience in recent times, such as that documented in the Commission’s report The Angry Summer, puts it in a broader context using the latest science and then uses that as a window to project into the future. The message is plain. The climate has shifted, expect more and more extreme weather and we need to act now.

we really need to view all these events not in isolation but as part of a trend for the future. We need to prepare for them and we need to do our absolute best to cut greenhouse gases to stabilise the climate to prevent them getting to the point at which we cannot adapt.(Emphasis added)

Continue reading Tipping point for climate action?

Climate clippings 67

I’ve used a random image for the featured image of this post. I was going to use the one that once was my gravatar (to the left) but the original is quite small and it came up fuzzy. Continue reading Climate clippings 67

Climate clippings 65

I’m still stressing out over the project I’m working on and various health matters that are annoying, time-consuming but OK-ish. John D has helped as always, but don’t blame him for the fourth one, the one on Rupert’s WSJ.

Australian solar project to be the world’s tallest building

Hyperion solar chimney

Hyperion believes their so-called “solar updraft tower” would provide much needed power to mining operations in Western Australia, and could also connect to the grid. It hopes to go live by 2014. The company is currently seeking approval for the $1.7 billion plan.

Unlike many solar projects, this one would keep the generators humming day and night, as the ground continues to give off captured heat from dusk to dawn. Continue reading Climate clippings 65

Climate clippings 53

GLOBAL warming is unusual

A common response to AGW warmists is that climate has always changed and always will. It’s natural and humans have nothing to do with it. Now via Climate Progress we learn from a study by Svante Björck of Lund University that apart from general moves into and out of ice ages the hemispheres do not warm or cool in sync. When one hemisphere changes the other stays the same or moves in the opposite direction. For example he found that during the Little Ice Age in Europe there were no corresponding changes in the southern hemisphere.

Last week I posted this graph to show that we are giving the system a helluva jerk. In fact we need to go back 15 million years to find CO2 levels as high as today. (if you are concerned about Antarctic thawing be very afraid.)

However, the following graph shows that the hemispheres are not perfectly in sync now:

Hemispheric land-ocean temperatures

The northern hemisphere is pulling away. The reason, presumably, it has more land, and at higher latitudes. Continue reading Climate clippings 53

Climate clippings 52

7 billion and counting

With the world’s population passing 7 billion there have been reports and analysis all over the media.

George Monbiot, clear-headed as usual, says the real problem is consumption. He also takes a look at the UN calculations, and is not impressed, but one way or another the graph is going to go up for about four decades.

Fred Pearce is not an economist, but he may have a point in saying that ageing is the trend and with that your economy goes down the tube. Japan has become the land of the setting sun.

Those two are part of The Guardian’s Crowded Planet series. Our ABC has 7 challenges for 7 billion put together by 7 academics. Continue reading Climate clippings 52

Climate clippings 45

Arctic ice

Let’s get this one over with. Arctic ice seems to have bottomed out on 9 September, about two weeks earlier than usual. 2011 was the second lowest on record by a thin margin. I’ll freeze the graph here for the record:

Arctic ice extent

Here’s the important bit:

The last five years (2007 to 2011) have been the five lowest extents in the continuous satellite record, which extends back to 1979. While the record low year of 2007 was marked by a combination of weather conditions that favored ice loss (including clearer skies, favorable wind patterns, and warm temperatures), this year has shown more typical weather patterns but continued warmth over the Arctic. This supports the idea that the Arctic sea ice cover is continuing to thin. (Emphasis added)

Continue reading Climate clippings 45

Climate clippings 42

Climate sensitivity

James Wright at Skeptical Science has constructed a summary of some recent work done by James Hansen and colleagues. Climate sensitivity is the temperature change caused by a doubling of CO2. In this post I referred to a paper by Hansen et al, Earth’s energy imbalance and implications. Wright is working from a paper by Hansen and Sato entitled Paleoclimate implications for human-made climate change which contains much of the same material, including Table 1 on p16.

The bottom line goes like this:

The exact value of climate sensitivity depends on which feedbacks you include, the climate state you start with, and what timescale you’re interested in. While the Earth has ice sheets the total climate sensitivity to CO2 is up to 8°C: 1.2°C direct warming, 1.8°C from fast feedbacks, 1°C from greenhouse gas feedbacks, and nearly 4°C from ice albedo feedbacks. The slow feedbacks have historically occurred over centuries to millennia, but could become significant this century. Including CO2 itself as a feedback would make climate sensitivity even higher, except for the weathering feedback which operates on a geologic timescale. (Emphasis mine)

CO2 alone, not CO2e, of 450ppm is likely to give us an ice-free planet – eventually.

I take it that the stability we’ve had during the Holocene is unusual. Upset the balance with a bit of the trace gas CO2 and the system can go wild. Continue reading Climate clippings 42