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Global environmental challenges

October 13th, 2009

Air pollution permits back on track in Southern California

Posted by: Laura Isensee

California’s Governor Arnold Schwarzenegger is working to burnish his green legacy in the Golden State. But one of his latest moves to lift a hold on air pollution permit applications is not likely to make environmentalists happy.

The governor signed a bill late Sunday that allows the agency regulating air pollution along California’s southern coast to start issuing more than 1,200 applications frozen by a state court decision in 2008.

Schwarzenegger signed the bill the same day he approved two measures benefiting the state’s solar power industry.

Environmentalists may call the governor’s actions two steps forward, one step back.

But the region’s business community cheered the move on air quality permits. The bill’s author says it will create 60,000 jobs and $4 billion in economic activity in Southern California. The South Coast Air Quality Management District, which regulates Orange County and parts of Los Angeles, Riverside and San Bernardino counties, believes that the governor’s approval will jump-start the region’s economy.

We wanted to know what readers think about the lifting of the ban and Schwarzenegger’s moves to boost the use of energy from renewable resources. What grade would you put on the governor’s environmental report card?

Photo:Traffic passes downtown Los Angeles on the Interstate-10 freeway. Photo credit: REUTERS/Lucy Nicholson

January 13th, 2009

On Antarctic safaris, remember to bring a microscope

Posted by: Alister Doyle

Many people hope to come back from a wildlife safari with close-up pictures of lions or elephants – this picture below is my best attempt from a search for the largest land animals in Antarctica.

If you look hard you can see a reddish blob at the tip of the thumb — it’s Antarctica’s most aggressive land predator, an eight-legged mite known as Rhagidia.

Pete Convey, a biologist at the British Antarctic Survey (that’s his thumb), says that such tiny creatures evolved in Antarctica over tens of millions of years — they can freeze their bodies in winter in an extreme form of hibernation.

Penguins, seals and whales are the best known animals in Antarctica, but none live year-round on land, where the biggest creature is a flightless midge whose name is ”Belgica antarctica” and who’s about 0.5 cm long.

Global warming could mean problems for some of these tiny creatures if it keeps going — the Antarctic Peninsula where Pete showed us the creatures has warmed by about 3 Celsius (5.4 Fahrenheit) over the past 50 years, the fastest rate in the southern hemisphere.

Some other creatures might be able to survive in a warmer climate and threaten mites like Rhagidia.

Pete is a genius at finding the creatures — the second rock he picked up had one of these red mites on it…I picked up about 50 and found none.

Here is Pete on his hunt being filmed by my colleague Stuart McDill of Reuters TV: (for a text story, click here)

 

 And here’s a much better close-up of a monstrous Antarctic mite, related to Rhagidia:

June 24th, 2008

Anyone for a Baltic summer cocktail?

Posted by: Alister Doyle

Baltic summer cocktail/WWFSitting on a restaurant terrace overlooking the Baltic Sea on a warm June evening in Sweden, what better drink than a green summer cocktail?

  

Baltic soup/WWF

Perhaps followed by a delicious-looking Baltic farmer’s soup?

  

   

And you don’t even have to pay — you can scoop up such liquids for free from the most polluted parts of the Baltic Sea – also bordered by countries including Finland, Latvia, Russia, and Germany.

The images are part of a new campaign by the WWF environmental group to show off the problems of the Baltic – an almost enclosed sea that has suffered badly from pollution, including run-off from fertilisers that provoke big brief blooms of greenish algae that then die and sink to the bottom.

The WWF says that large areas of the Baltic seabed are “dead zones” starved of oxygen — and it says one study shows that 7 of the 10 largest such known zones in the world are in the Baltic Sea.

For years Baltic Sea countries managed to blame each other for pollution — the former Soviet Union spewed large amounts of toxic waste into the sea. But the end of the Cold War should be making cooperation easier.

The Baltic countries agreed a plan in late 2007 to clean up by 2021, including an innovative benchmark for “maximum allowable nutrient input” from nitrogen and phosphorus fertiliser polllutants.

Is there hope for a clean-up?

Or will Baltic soup still be green and unappetising in 2021?