Sunday, April 29, 2007

Proof of Threat

In kidnapping/ransom situations, those negotiating for the release of the hostage will often demand proof of life - some undeniable evidence that the person who being held is still alive. Without that proof, the ransom may be paid for no good reason - the hostage is already dead.

Climate Frog demands proof of threat - convincing evidence of an urgent need to take immediate action to offset damage that is already occuring or that is sure to come. The keyword here is urgency.

One current so-called "green" activity is the movement to use carbon offsets as a way to reduce overall carbon emmissions around the world. An article in the New York Times (registration required) explains the controversy around this practice and why it doesn't exhibit the Climate Froginess required to serve as an example here.

Under the carbon offset program (of which there are many, with varying standards), an airline might allocate a certain amount of its revenues to purchasing "credits" that would pay for some activity (planting trees) that would absorb the amount of carbon being emmitted by its jet engines over a period of time. The carbon would still be pumped into the atmosphere, but at least some action would be taken to deal with that fact. This, to me, seems like the anti-urgent path to carbon responsibility. How long will it take for those tree seedlings to grow to a size where they could actually absorb the carbon from a year's flights?

In Carbon-Neutral Is Hip, but Is It Green? by Andrew Revkin we learn just how controversial carbon offsetting has become in the environmental community.

“The worst of the carbon-offset programs resemble the Catholic Church’s sale of indulgences back before the Reformation,” said Denis Hayes, the president of the Bullitt Foundation, an environmental grant-making group. “Instead of reducing their carbon footprints, people take private jets and stretch limos, and then think they can buy an indulgence to forgive their sins.”

“This whole game is badly in need of a modern Martin Luther,” Mr. Hayes added.


Proponents of carbon offsets say that it's better than nothing - that it's the only way that most carbon-produding corporations with shareholders can justify environmental responsibility. I don't buy it. As Auburn Professor Michael Solomon tells the article's author,

“Consumers are always going to gravitate toward a more parsimonious solution that requires less behavioral change,” he said. “We know that new products or ideas are more likely to be adopted if they don’t require us to alter our routines very much.”


In Climate Frog's world, carbon offsets would be like persuading the frog that he can stay longer in the heating water because someone somewhere is making a deal that will eventually slow the gas flow to the burner beneath the pot.

Friday, April 27, 2007

"The Cost of Holding Back the Sea" - EPA, 1991

The Environmental Protection Agency responded to the threat of global sea level rise in 1991 with an analysis of the costs of protecting vulnerable coast-side communities, wetlands, properties and facilities. The report, titled Greenhouse Effect and Sea Level Rise: The Cost of Holding Back the Sea. This report demonstrates that the EPA fully recognized the threats of global warming when George H. W. Bush was still in office. It's full of interesting statistics, charts, tables and drawings. The techniques and technologies it describes haven't changed much in the past 16 years...

Possible responses fall broadly into three categories: erecting walls to hold back the sea; allowing the sea to advance and adapting to it; and raising the land
...though the value of the dollar and the value of property located in coastal areas have certainly changed a lot. The total cost the report projects ($270-475 billion) looks laughably small today. Probably, current satellite mapping allows for a much more accurate assessment today.

From the abstract of the report we get some impressive numbers, which may still hold fairly accurate if corrected for the amount of coastal development that's happened since 1991. (Think of how much dot com money must have gone into building homes on the coastline):
We estimate that if no measures are taken to hold back the sea, a one meter rise in sea level would inundate 14,000 square miles, with wet and dry land each accounting for about half the loss. The 1500 square kilometers (600-700 square miles) of densely developed coastal lowlands could be protected for approximately one to two thousand dollars per year for a typical coastal lot. Given high coastal property values, holding back the sea would probably be cost-effective.

The authors offer some cautions for implementation and the ultimate solution:
The environmental consequences of doing so, however, may not be acceptable. Although the most common engineering solution for protecting the ocean coast• pumping sand• would allow us to keep our beaches, levees and bulkheads along sheltered waters would gradually eliminate most of the nation's wetland shorelines. To ensure the long-term survival of coastal wetlands, federal and state environmental agencies should begin to lay the groundwork for a gradual abandonment of coastal lowlands as sea level rises.
I'll be looking around to see if there's a more up-to-date assessment by the EPA, but in the meanwhile, this report serves as a good overview and intro to the challenge that we face in dealing with even minimal sea level rise.

Wednesday, April 25, 2007

Melting Ice. Can we afford to take our time?

Thanks to the excellentClimate Progress blog for calling my attention to the following.

Though it's not by any means the only serious impact of climate change, rising sea levels are probably the impact most directly linked to that change. Only the most hardened skeptic would refuse to connect global warming with melting ice caps. And only a boob would refuse to admit that those melting ice caps contribute to rising seas and the damage they will cause to human habitation.

Scientists have been following the freezing and thawing of the Arctic ice and lately it's been bothering them a lot because of the seemingly accelerated pace of thawing and the shrinking size of the winter freeze. Until recently, most scientists felt comfortable with a forecast that the ice cap would exist at least until 2040, but doubts have arisen and more money is now being allocated for deeper study.

From now until March 2009, as part of the International Polar Year, 63 nations will funnel $1.7 billion into polar research, aiming to determine which changes in the frozen landscape are natural, which are man-made and which, if any, are preventable. "There's been a rallying cry," says Ted Scambos of the University of Colorado. "We have to figure out how to tell policymakers, and the public, where and when to expect a big change."

So far, the studies don't look good. In mid-March, the journal Science devoted a section to the polar regions that was uniformly depressing: lower latitudes pollute pristine pole, read one headline. Another paper warned that Greenland and Antarctica are shedding 125 gigatons of ice per year, and though the southern continent has picked up some new ice from increased snowfall, it's not enough.
Hopefully, some of that $1.7B will help get scientists the equipment they need to keep up with the changes that are so swiftly happening. Compared to spending for, oh let's say the military, expenditures on the tools for measuring and forecasting worldwide flooding is pitifully small.
Despite the publicity around the IPY, scientists still have limited access to the technology they need. The U.S. Arctic Research Commission recently published a wish list of monitoring equipment, topped by icebreakers (America rents some ships from Russia and Sweden), a better sensor network of buoys and river gauges, and satellites.
And here's a boondoggle: the US did not contribute funding to the launch of the radarsat-2 satellite that will be necessary to analyze the changes in the ice cap in the coming years, and as one scientist claims, he's "not aware that any federal agency has a budget to buy" its data after 2009.

Why do I get the feeling that governments are gonna screw things up again?

Saturday, April 21, 2007

Climate Frogs in your own backyard


I live in Marin County, California. Though it's rarely referred to as a peninsula, it could claim that description, with the Pacific Ocean defining its western boundary, the San Francisco and San Pablo Bays defining its eastern boundary and the Golden Gate Bridge crowning its southern end. Western Marin is separated from the rest of the county by a spine of coastal hills and Mt. Tamalpais. Much of the county has been preserved as park land, open space and agricultural trusts, and most of that land makes up West Marin. There is little land there for development and its population is very small. But most of that limited development is either vulnerable to sea level rise or on land that is vulnerable to landslides or forest fires - the byproducts of weather extremes.

East Marin is much more populous, but its residential and business areas are likewise vulnerable to climate change. I've begun to research county planning to find evidence that, in this region of above average education and income, some forward-thinking precautions are being taken. Slides and fires are perennial threats everywhere in California, and all residents have been informed for years about best practices to reduce risk from these threats. But sea level rise has been all but ignored. In fact, this past March marked the first time that the problem has been brought up for public discussion.

March 2007
Hearings before the Planning Commission on the Marin Countywide Plan are currently taking place. The Commission has recommended that the Baylands Corridor be expanded to protect a larger portion of the interior coast. Using Bay Conservation and Development Commission maps on potential sea-level rise, the Commission has recommended removing high-density development potential from areas subject to future oceanic flooding.

Thursday, April 19, 2007

One quarter of humans vulnerable to sea surge



Just to put a rough number on the portion of humanity that might decide to move to higher ground (or build some pretty damn impressive sea walls), a new report from a team at the U.S. Geological Survey reveals that

More than 1 billion people live in low-lying areas where a sudden surge in sea level could prove as disastrous as the 2004 Asian tsunami

Add to that the number of people living less than 100 feet above current sea levels and you get a quarter of the world's population.

But just to provide some perspective to Americans, the article ends with this tidbit from Usery:
A 30-meter surge in Florida would leave the whole state covered except for a little plateau area.
Does this mean that we can expect sea surges and/or tsunamis that rise up to 100 feet? Well, sort of...
The team also found that a 100-foot (30-meter) rise in sea level would cover 3.7 million square miles of land worldwide. A rise of just 16 feet would affect 669 million people and 2 million square miles of land would be lost.

Sea levels are currently rising about 0.04 to 0.08 inches (1 to 2 millimeters) each year, making it unlikely such a scenario would suddenly occur across the globe, Usery [E. Lynn Usery, who led the team] said.

But he said 10,000 years ago sea levels rose 20 meters in 500 years -- a relatively short span -- after the collapse of the continental ice sheets.

"It can happen in a short period of time if we look at the historical data," Usery said.
Using a 500-year example is probably not going to motivate many people at the 50-plus elevation to move. But that billion who are within range of a good-sized tsunami (admittedly not a climate-related event, but becoming more of one as sea levels rise) should seriously be considering a change of scene. The problem for the vast majority of these people is that their livelihoods depend on being at sea level.

Tuesday, April 17, 2007

"I want to move out. I can't take it after this one"

How many Americans will put up with radically different and damaging weather? How many will pick up and move to what they hope will be safer and more habitable locations?

Lost in all the scientific predictions of major impacts of climate change is the potential of massive relocations based on individual decisions to abandon specific locations that are vulnerable to impacts like flooding and other weather-caused damage. You won't find northern New Jersey near the top of the list of climate change-affected locations, but wherever you find hundred-year floods occuring more than twice in a decade you're likely to find flood victims throwing in the towel and moving out.

The current nor'easter that has settled over most of the northeast U.S. has dumped record amounts of wind-driven rain on New Jersey, prompting one resident to state his frustrations to a CNN reporter:

The Raritan River was more than 10 feet above flood stage in Bound Brook late Monday and was not expected to return to below flood stage before Tuesday afternoon.

The river overran Route 18 in New Brunswick, forcing Rutgers University to cancel Tuesday classes at its New Brunswick and Piscataway campuses.

Dale Johnson said he and his girlfriend fled their second-story apartment through swirling, waist-deep water. They sought shelter at the Presbyterian Church of Bound Brook, where more than 100 cots were set up.

"I want to move out. I can't take it after this one," said Johnson, 48, noting that it was his third evacuation. The community also was hard hit by Hurricane Floyd in 1999.

And in an article by San Francisco Chronicle environmental writer Jane Kay, the prospects of unhealthy weather changes are considered. If your local weather becomes a constant threat to your health, will you try to adapt to it or will you move to a healthier climate? Will only those who can afford to adapt stay? Or will the adapters consist only of those too poor to relocate?
Higher temperatures over the coming decades are expected to cause more smoggy days and heat waves, contributing to a greater number of illnesses and deaths in the United States, according to international climate scientists.

Severe heat waves -- characterized by stagnant masses of warm air and consecutive nights with high minimum temperatures -- will intensify in the United States and Canada, according to the data on North America released Monday by the United Nations Intergovernmental Panel on Climate Change.

Southern California, the Southwest and the upper Midwest are already experiencing drought. Late in the century, in Los Angeles, the number of heat wave days is projected to increase from 12 days a year to between 44 and 95 days, the report said. The number of heat wave days in Chicago is expected to increase by 25 percent.

Saturday, April 14, 2007

U.S. Military getting on board?

The WaPo today reports, in Military Sharpens Focus on Climate Change, that 11 senior generals are releasing a report admitting that

global warming "presents significant national security challenges to the United States," which it must address or face serious consequences.
It seems that, based on their study, the military should be highly motivated to support any preventative or mitigating activities related to climate change because they recognize that threats to stability are likely to resolve into threats to the U.S. Drought in poor countries could be expected to "drive a flood of migrants to richer countries."
"Many developing nations do not have the government and social infrastructures in place to cope with the type of stressors that could be brought about by global climate change," the report states. "When a government can no longer deliver services to its people, ensure domestic order, and protect the nation's borders from invasion, conditions are ripe for turmoil, extremism and terrorism to fill the vacuum."
CNN's account of the report includes this quote by General Anthony Zinni:
"We will pay for this one way or another," writes Zinni, former commander of U.S. Central Command. "We will pay to reduce greenhouse gas emissions today, and we'll have to take an economic hit of some kind. Or we will pay the price later in military terms. And that will involve human lives. There will be a human toll."
Stanford scientist Terry Root, a co-author of the report agreed, in this somewhat awkward statement, that the water-based instability was sure to come eventually.
"We're going to have a war over water," Root said. "There's just not going to be enough water around for us to have for us to need to live with and to provide for the natural environment."