Friday, July 13, 2007
Tuesday, July 10, 2007
The Ninth Circuit reversed denial of a preliminary injunction to halt the Mission Brush project in the Idaho Panhandle National Forest, in which the Forest Service planned to allow selective logging to restore the forest to historic conditions. The court held that plaintiffs had demonstrated a likelihood of success on the merits of both their NFMA and NEPA claims. The Forest Service decision relied on unverified assumptions that the logging would improve habitat for sensitive old-growth dependent species used to measure diversity and failed to discuss scientific uncertainty about its impact assessment. Land_institute.pdf
Friday, July 6, 2007
A Sudden Change of State
The Guardian (London)
July 3, 2007
A new paper suggests we have been greatly underestimating the impacts of climate change - and the size of the necessary response.
Reading a scientific paper on the train this weekend, I found, to my
amazement, that my hands were shaking. This has never happened to me before, but nor have I ever read anything like it. Published by a team led by James Hansen at Nasa, it suggests that the grim reports issued by the Intergovernmental Panel on Climate Change could be absurdly optimistic(1).
The IPCC predicts that sea levels could rise by as much as 59cm this
century(2). Hansen's paper argues that the slow melting of ice sheets the panel expects doesn't fit the data. The geological record suggests that ice at the poles does not melt in a gradual and linear fashion, but flips suddenly from one state to another. When temperatures
increased to 2-3 degrees above today's level 3.5 million years ago, sea levels rose not by 59 centimetres but by 25 metres. The ice
responded immediately to changes in temperature(3).
We now have a pretty good idea of why ice sheets collapse. The
buttresses that prevent them from sliding into the sea break up;
meltwater trickles down to their base, causing them suddenly to slip; and pools of water form on the surface, making the ice darker so that it absorbs more heat. These processes are already taking place in
Greenland and West Antarctica.
Rather than taking thousands of years to melt, as the IPCC predicts,
Hansen and his team find it "implausible" that the expected warming before 2100 "would permit a West Antarctic ice sheet of present size to survive even for a century." As well as drowning most of the world's centres of population, a sudden disintegration could lead to much higher rises in global temperature, because less ice means less heat reflected back into space. The new paper suggests that the temperature could therefore be twice as sensitive to rising greenhouse gases than the IPCC assumes. "Civilization developed," Hansen writes, "during a period of unusual climate stability, the Holocene, now almost 12,000 years in duration. That period is about to end."(4)
I looked up from the paper, almost expecting to see crowds stampeding through the streets. I saw people chatting outside a riverside pub. The other passengers on the train snoozed over their newspapers or played on their mobile phones. Unaware of the causes of our good fortune, blissfully detached from their likely termination, we drift into catastrophe.
Or we are led there. A good source tells me that the British
government is well aware that its target for cutting carbon emissions - 60% by 2050 - is too little, too late, but that it will go no
further for one reason: it fears losing the support of the
Confederation of British Industry. Why this body is allowed to keep
holding a gun to our heads has never been explained, but Gordon Brown has just appointed Digby Jones, its former director-general, as a minister in the department responsible for energy policy. I don't remember voting for him. There could be no clearer signal that the public interest is being drowned by corporate power.
The government's energy programme, partly as a result, is
characterised by a complete absence of vision. You can see this most
clearly when you examine its plans for renewables. The EU has set a
target for 20% of all energy in the member states to come from
renewable sources by 2020. This in itself is pathetic. But the
government refuses to adopt it(5): instead it proposes that 20% of our
electricity (just part of our total energy use) should come from
renewable power by that date. Even this is not a target, just an
"aspiration", and it is on course to miss it. Worse still, it has no
idea what happens after that. Last week I asked whether it has
commissioned any research to discover how much more electricity we could generate from renewable sources. It has not(6).
It's a critical question, whose answer - if its results were applied
globally - could determine whether or not the planetary "albedo flip"
that Hansen predicts takes place. There has been remarkably little
investigation of this issue. Until recently I guessed that the maximum
contribution from renewables would be something like 50%: beyond that point the difficulties of storing electricity and balancing the grid
could become overwhelming. But three papers now suggest that we could go much further.
Last year, the German government published a study of the effects of linking the electricity networks of all the countries in Europe and
connecting them to North Africa and Iceland with high voltage direct
current cables(7). This would open up a much greater variety of
renewable power sources. Every country in the network would then be able to rely on stable and predictable supplies from elsewhere: hydroelectricity in Scandanavia and the Alps, geothermal energy in Iceland and vast solar thermal farms in the Sahara. By spreading the demand across a much wider network, it suggests that 80% of Europe's electricity could be produced from renewable power without any greater risk of blackouts or flickers.
At about the same time, Mark Barrett at University College London
published a preliminary study looking mainly at ways of altering the
pattern of demand for electricity to match the variable supply from
wind and waves and tidal power(8). At about twice the current price, he found that we might be able to produce as much as 95% of our
electricity from renewable sources without causing interruptions in the power supply.
Now a new study by the Centre for Alternative Technology takes this
even further(9). It is due to be published next week, but I have been
allowed a preview. It is remarkable in two respects: it suggests that by 2027 we could produce 100% of our electricity without the use of fossil fuels or nuclear power, and that we could do so while almost tripling its supply: our heating systems (using electricity to drive heat pumps) and our transport systems could be mostly powered by it. It relies on a great expansion of electricity storage: building new hydroelectric reservoirs into which water can be pumped when electricity is abundant, constructing giant vanadium flow batteries and linking electric cars up to the grid when they are parked, using their batteries to meet fluctuations in demand. It contains some optimistic technical assumptions, but also a very pessimistic one: that the UK relies entirely on its own energy supplies. If the German proposal were to be combined with these ideas, we could begin to see how we might reliably move towards a world without fossil fuels.
If Hansen is correct, to avert the meltdown that brings the Holocene to an end we require a response on this scale: a sort of political "albedo flip". The government must immediately commission studies to discover how much of our energy could be produced without fossil fuels, set that as its target then turn the economy round to meet it. But a power shift like this cannot take place without a power shift of another kind: we need a government which fears planetary meltdown more than it fears the CBI.
George Monbiot's book Heat: how to stop the planet burning is now
published in paperback. www.monbiot.com
1. James Hansen et al, 2007. Climate Change and Trace Gases.
Philiosophical Transactions of the Royal Society - A. Vol 365, pp
1925-1954. doi: 10.1098/rsta.2007.2052.
2. Intergovernmental Panel on Climate Change, February 2007. Climate Change 2007: The Physical Science Basis - Summary for Policymakers. Table SPM-3. http://www.ipcc.ch/SPM2feb07.pdf
3. I am grateful to Marc Hudson for drawing my attention to this paper and giving me a copy.
4. James Hansen et al, ibid.
5. In the Energy White Paper it says the following: "The 20%
renewables target is an ambitious goal representing a large increase in Member States' renewables capacity. It will need to be taken forward in the context of the overall EU greenhouse gas target. Latest data shows that the current share of renewables in the UK's total energy mix is around 2% and for the EU as a whole around 6%. Projections indicate that by 2020, on the basis of existing policies, renewables would contribute around 5% of the UK's consumption and are unlikely to exceed 10% of the EU's." Department of Trade and Industry, May 2007. Meeting the Energy Challenge: A White Paper on Energy, page 23. http://www.dtistats.net/ewp/ewp_full.pdf
6. Emails from David Meechan, press officer, Renewables, Department for Business, Enterprise and Regulatory Reform.
7. German Aerospace Center (DLR) Institute of Technical Thermodynamics Section Systems Analysis and Technology Assessment, June 2006. Trans-Mediterranean Interconnection for Concentrating Solar Power. Federal Ministry for the Environment, Nature Conservation and Nuclear Safety, Germany.
8. Mark Barrett, April 2006. A Renewable Electricity System for the UK: A Response to the 2006 Energy Review. UCL Bartlett School Of Graduate Studies - Complex Built Environment Systems Group.
9. Centre for Alternative Technology, 10th July 2007.
ZeroCarbonBritain: an alternative energy strategy. This will be made
available at www.zerocarbonbritain.com.
This week, I made an unexpected trip to Florida and returned to Oregon via Las Vegas. As we landed in Las Vegas, the crew announced that it was 107 -- at midnight -- on July 4th. I thought it was strange. And then I read the news: BH link-AP
Temperatures in Boise reached 104 degrees Thursday afternoon. Forecasters predicted a high of 107 on Friday - six degrees higher than the 101 record for that date set in 1985....temperatures in part of the West were climbing so high that authorities warned residents of southern Nevada, southeastern California and northwestern Arizona that outdoor activities could be dangerous except during the cooler early morning hours. Phoenix reached 115 degrees; Baker, Calif., reached 125 degrees.... St. George, Utah, hit 115 degrees by 5 p.m., a day after a nearby weather sensor recorded an unofficial reading of 118, which would top the the state’s all-time record of 117 set in St. George in 1985. Summer temperatures across Utah are running 10 to 15 degrees above normal, meteorologist Brandon Smith said...."To be honest, as far as temperatures, for as far out as we can see there’s no relief," he said. Around Las Vegas - where temperatures reached 116 degrees Thursday afternoon - transformers were overheating and causing electrical pole fires because of all the people switching on their air conditioners, said Scott Allison with the Clark County Fire Department. In Montana, farmers anxiously watched their crops and thermometers. High temperatures for a handful of days can harm crop yield. "Prolonged heat is devastating. Four or five days of it is going to be hard," said wheat farmer Lynn Nordwick near Poplar, Mont. Even Stanley, Idaho, which at more than 6,000 feet elevation is routinely the coldest place in the lower 48 states, was seeing record highs, the National Weather Service said. The remote town in the Sawtooth Mountains reached 91 degrees Thursday, and was expected to hit 93 degrees Friday. In Spokane, Wash., the temperature reached 101 degrees... Northeastern Oregon residents were experiencing what was expected to be the hottest day of the year on Thursday, with temperatures reaching 108 in Pendleton and 107 in Hermiston.
The heat and a dry spring raised concern among firefighters. "We’re really primed to burn right now," said Dennis Winkler, an assistant fire management officer for the Wallowa-Whitman National Forest. "We’re well above average in terms of fire danger for this time of year." An index that helps fire officials estimate how fast flames would spread was at its highest point for early July in the past decade, said Dave Quinn, who manages an interagency dispatch center at the La Grande Airport in Oregon.
The heat wave began last week after a large high pressure center developed over Arizona, said National Weather Service forecaster Paul Flatt in Boise. A weather pattern was pushing that high-pressure center north into Canada, Flatt said, but most of the West is expected to experience high temperatures into next week.
Project ID: 01250
Date Posted: 7/02
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July 6, 2007 in Africa, Agriculture, Air Quality, Asia, Australia, Biodiversity, Cases, Climate Change, Constitutional Law, Economics, Energy, Environmental Assessment, EU, Forests/Timber, Governance/Management, International, Land Use, Law, Legislation, Mining, North America, Physical Science, Social Science, South America, Sustainability, Toxic and Hazardous Substances, US, Water Quality, Water Resources | Permalink | TrackBack (0)