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I'm back. (You noticed I was gone, right?) I've just returned from a most relaxing long-weekend stint at the Once in a Blue Moon Farm, a little organic farm/orchard on Orcas Island. We went for a wedding, but a group of about eight of us decided to stretch it into a mini-vacation in the farm's guest house.

I'll spare you the poetic rhapsodizing about watching my older son ride a small horse, feed chickens, and get nuzzled by llamas. But it was nice. As a bona fide city boy, he doesn't get much exposure to Nature, but he took right to it. It reignited our little dream of buying a B&B in the country somewhere. Matter of fact, there was a nice one on sale on Orcas, for the low low price of $1.5 million. Ahem.

Anyway, if you're in the area, Orcas is a delight -- not too touristy, small-town homey, but kind of funky too. And Blue Moon gets Gristmill's Official Travel Recommendation.

A cool technology, and fun-sounding to boot.

So, like, this is cool and stuff:

A water desalination system using carbon nanotube-based membranes could significantly reduce the cost of purifying water from the ocean. The technology could potentially provide a solution to water shortages both in the United States, where populations are expected to soar in areas with few freshwater sources, and worldwide, where a lack of clean water is a major cause of disease.

The new membranes, developed by researchers at Lawrence Livermore National Laboratory (LLNL), could reduce the cost of desalination by 75 percent, compared to reverse osmosis methods used today, the researchers say. The membranes, which sort molecules by size and with electrostatic forces, could also separate various gases, perhaps leading to economical ways to capture carbon dioxide emitted from power plants, to prevent it from entering the atmosphere.

Cleans up water, works against climate change. An amazing technology indeed. And will it come into widespread use anytime soon? My Magic 8 Ball (which always tilts toward skepticism) is skeptical.

The separation of economy and environment is a myth.

New head of the United Nations Environment Program Achim Steiner:

"Care for the environment is often portrayed as detrimental to economic growth," he told on his first day as head of the United Nations' top environment body.

"We hope to lay that myth to rest in the 21st century," he said by telephone from UNEP headquarters in Nairobi, setting out priorities for a four-year term.

Common sense ... I like it.

I put up my tent!

So I made it to 'Roo, as all the cool kidz call it. I even set up my tent, in the dark, all by myself.

Mmm ... Nothing like fair-trade coffee and sunlight to show you how dirty you really are. Yay for showers in my camp area. Boo for not finding them 'til I was dressed and sunscreened!

On tap today: interviews with Lyrics Born and a 'Roo green guy. Plus my first press conference!

China can pollute and dam all at once!

China has experience with spilling toxics into rivers: it's done it just recently in the Songhua, the Xiangjiang, the Yellow, and the Yangtze.

And China really loves dams; oh, does it heart dams.

So I guess this shouldn't be surprising:

Chinese authorities tried to slow the spread of a toxic spill by building 51 makeshift dams along the tainted river and using fire trucks to pump out polluted water before it reaches a reservoir serving a city of 10 million people, state media said Friday.

The spill of 60 tons of coal tar into the Dasha river in north China's Shanxi province was the latest in a series of mishaps fouling the country's already polluted waterways. Officials said there have been at least 76 water pollution accidents in the last six months.

Nope, not surprised. Just depressed.

Don’t Be a Menace to South Central

Urban gardeners evicted from community farm in L.A. South Central Farm, a 14-acre community garden in a sea of warehouses in urban L.A., will be bulldozed to make way for […]

Must Not Be Any Oil There

Bush creates world’s largest marine protected area Well, slap our ass and call us Sally: George W. Bush, the prez formerly known as the earth’s worst enemy, created the largest […]

Getting a Move On

Grist outgrows office, begs readers for help with upgrade Dear readers, we knew this day would come. We’ve finally outgrown the solitary desk that has served us well for so […]

Catch and release program for fossil rats

According to this MSNBC story, these creatures were thought to be extinct for 11 million years. Researchers learned of their existence last year from dead specimens found in local meat markets (the food kind). They released it back into the wild after taking photos. In the old days, researchers would have shot and stuffed it. An increasing awareness of the plight of our biodiversity is catching on. Catch and release fishing is a common practice now, although there will always be people who don't give a rat's ass.

Fly in the ointment

When U.S. air traffic was grounded for three days after September 11th, meterologists got a bit of a surprise. Apparently, the lack of airplane contrails -- the high altitude trails of condensed water that form around tiny particles from engine exhaust -- had a measurable effect on the climate. (More in this document.) Apparently, contrails reflect sunlight during the day, but also trap heat at night. On net, researchers believe that contrails can have two to three times as much climate-warming power as the CO2 emitted in airplane exhaust.

Now, the L.A. Times is reporting on a study by a British research team that found that the biggest contrail impacts come from nighttime flights (when contrails reflect solar radiation back to the earth's surface) and during winter months.

"We get one-half of the climate effect from one-quarter of the year, from less than one-quarter of the air traffic," said meteorologist Nicola Stuber, who led the English research team. "If you get rid of the night flights, you can reduce the climate warming effect of the contrails."

The quick fix: a few schedule changes. A bit inconvenient, perhaps, but hardly inconceivable.