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Trees are fed up with our carbon, refuse to grow faster

ARBOR EAT ‘EM?

Trees are fed up with our carbon, refuse to grow faster

By on 15 Dec 2014commentsShare

Scientists have long expected extra carbon dioxide in the atmosphere to boost tree growth — the climate-changing waste product of our fuel-burning ways is plant food, after all. But a new study suggests that trees in tropical rainforests around the world are not in fact growing any faster, even as CO2 levels in the air shoot past 400 parts per million.

This conclusion isn’t just bad news for trees, though. All species threatened by climate change — that’s you, humans — should be worried.

You see, increased growth of the carbon-sucking vacuum cleaners that populate forests would mean that, all else equal, trees would remove more CO2 from the atmosphere. Researchers rightly anticipate this response to slow down the buildup of CO2, thus feathering the brakes on global warming.

But Peter van der Sleen, of Wageningen University in the Netherlands, and a team of Dutch researchers examined 150 years’ worth of tree rings in 1,109 trees of 12 species across Bolivia, Thailand, and Cameroon, and couldn’t find any evidence for CO2-accelerated tree growth — a phenomenon that the scientific community had widely held to be true.

“It was very surprising,” said van der Sleen in a recent article by The Guardian. “The results call into question whether tropical forests are carbon sinks.”

Those are big words from a sober scientist, but the verdict isn’t in just yet. Really, this research is just another perplexing piece of evidence in a puzzle that science is still putting together.

Previous studies show that elevated CO2 levels are increasing tree population density, suggesting that rainforests can soak up some excess carbon with additional trees instead of faster-growing trees.

Maybe the elder statesmen of the forest are sharing the extra CO2 with younger trees instead of using it to speed up their own growth. Upcoming experiments in Brazil will try to figure out if that’s the case by flooding sections of rainforest with CO2 and tracking how tree growth rates are affected, according to The Guardian.

If it becomes apparent that trees actually do spread the carbon love to their arboreal communities, instead of sucking up all the C02 for individual growth, then maybe we should learn a lesson about resource-sharing from our friends in the forests.

Source:
Tropical rainforests not absorbing as much carbon as expected, scientists say

, The Guardian.

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Trees are fed up with our carbon, refuse to grow faster

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Today Is Your Last Chance to Sign Up For Obamacare*

Mother Jones

*OK, not really. This isn’t literally your last chance to sign up for Obamacare. But if you want coverage to start on January 1, today’s the deadline. Go sign up!

Link – 

Today Is Your Last Chance to Sign Up For Obamacare*

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Winery plans to chop down California redwoods to make room for vineyards

Winery plans to chop down California redwoods to make room for vineyards

Richard Masoner / Cyclelicious

Fuck off, redwoods. We’ve got grapes that need that space.

Global warming and the growing global appetite for wine have vineyards on the march.

As the climate in southern England warms to resemble that of France’s Champagne region, British growers are cultivating grapes that make bubbly. Viniculturists are also setting up operations in remote parts of British Columbia and China. And in California, the booming wine industry is crawling out of warming valleys and edging toward the coast — which is bad news for coastal ecosystems.

Areas suitable for vineyards in the world’s major wine-producing regions could shrink between 19 and 73 percent by 2050, according to a study published in April in Proceedings of the National Academy of Sciences. The researchers say growers will look for new lands on which to plant their vines, razing wild areas in their wine-making quests.

“Climate change may cause establishment of vineyards at higher elevations,” the scientists wrote. That “may lead to conversion of natural vegetation.”

And so it is in California’s Sonoma County, where environmentalists are fighting in court to prevent a Spanish winemaker from leveling 154 acres of coast redwoods and Douglas firs to make space for new grapevines. NPR reports:

Redwoods only grow in the relatively cool coastal region of Northern California and southern Oregon. Parts of this range, such as northwestern Sonoma County, have become increasingly coveted by winemakers.

Chris Poehlmann, president of a small organization called Friends of the Gualala River, says the wine industry is creeping toward the coast as California’s interior valleys heat up and consumers show preferences for cooler-weather grapes like pinot noir.

“Inexorably, the wine industry is looking for new places to plant vineyards,” says Poehlmann, whose group is among the plaintiffs.

Artesa Vineyards and Winery has permission from California’s Department of Forestry and Fire Protection to level thousands of trees. The environmentalists are suing the agency, arguing that its approval of the plan violated the state’s environmental laws.

Poehlmann says the trees that would be cleared are up to 80 feet tall, providing wildlife habitat and protecting streams from erosion. But the winery’s spin doctor would like you to know that these are not old-growth trees (most are 50 years old), so “there are no forests” on the site. Just an awful lot of majestic trees.


Source
A Fight Over Vineyards Pits Redwoods Against Red Wine, NPR
Climate change, wine, and conservation, PNAS

John Upton is a science fan and green news boffin who tweets, posts articles to Facebook, and blogs about ecology. He welcomes reader questions, tips, and incoherent rants: johnupton@gmail.com.

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Winery plans to chop down California redwoods to make room for vineyards

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Jon Stewart Roasts Kathleen Sebelius, Calls Her a Liar

Mother Jones

From First Read:

If you’re a Democrat and you’ve lost Jon Stewart, you have a problem. And that’s exactly what happened when HHS Secretary Kathleen Sebelius went on the “Daily Show” last night to talk about the glitches with the Obamacare website. “As the secretary sat down to begin the segment, Stewart opened a laptop on his desk. ‘I’m going to attempt to download every movie ever made, and you’re going to try to sign up for Obamacare, and we’ll see which happens first’”….We said it yesterday and we’ll say it again: The last thing you ever thought would happen is that Team Obama would have a website issue. These were the folks who pioneered how campaigns interact with voters over the internet.

Obamacare’s website issues are obviously serious, but at the same time: give me a break, folks. I’m pretty sure the First Read team is well aware that Obama wasn’t allowed to just call up his favorite web guru and tell him to get the old campaign team together and set up the Obamacare site. It had to go through the usual government procurement and bidding process, and was designed and created by whichever outside consultants won the job.

The NBC news team knows this, right? So why do they act like they don’t?

As for Stewart, I’m not sure what to say. I watched his interview last night, and I thought Stewart was easily as big a problem as Sebelius. He decided to ask about the conservative talking point that it’s unfair to delay the empoyer mandate while leaving the individual mandate in place, and Sebelius clearly tap danced a bit. But the big problem, as near as I can tell, is that Stewart was his usual unprepared self for this interview. Frankly, I couldn’t tell throughout the interview if he even understood what the employer mandate was. This happens all the time, usually with conservatives knocking Stewart around because they know what they’re talking about and he doesn’t. This time it happened to be a liberal, but the result was the same: an incoherent interview in which he couldn’t drive home his point because he wasn’t really sure what his point was.

Following the interview, he made a gag about still not understanding what was going on, and then suggested that maybe Sebelius had been lying. That was really beneath him. Sebelius didn’t do a great job of answering the question, but I sure didn’t catch her in any lies. She basically told him that the employer mandate applied only to businesses with more than 50 employees (true); that most of these businesses already offer their employees health coverage (true); and that the number of people affected by the delay of the employer mandate was pretty small (true). RAND estimates that the delay will affect 1,000 firms and 300,000 people, about 0.2 percent of the population.

Now, is delaying the mandate fair? That’s hardly a question with a factual answer, so I’m not sure what kind of reply Stewart expected to get in the first place. This was just another example of Stewart on his high horse again, and it’s always been his least attractive persona, regardless of whether it’s prompted by liberal or conservative outrage. Sebelius obviously tried to put the best face on the Obamacare rollout, just as all politicians do, but she didn’t lie.

POSTSCRIPT: And why was the employer mandate delayed? The truth is that we’ve never gotten a definitive explanation. The basic answer is that the regulatory requirements turned out to be more complex than anticipated. The deeper answer is roughly the one that Sebelius gave: it was possible to grant the delay because the effect was tiny and didn’t affect anything fundamental about Obamacare. Conversely, the individual mandate isn’t especially complex and does fundamentally affect Obamacare. It can’t be delayed without doing serious damage to the entire law. This answer might or might not be satisfying, but it’s roughly the truth.

Original source:  

Jon Stewart Roasts Kathleen Sebelius, Calls Her a Liar

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Music Review: “Cover All Sides” by Someone Still Loves You Boris Yeltsin

Mother Jones

TRACK 3

“Cover All Sides”

From Someone Still Loves You Boris Yeltsin’s Fly by Wire

POLYVINYL

Liner notes: In a modest yet striking feat, this Missouri combo blends late Beatles and prime Beach Boys to create a fresh and moving gem.

Behind the music: The trio visited Russia in January by invitation, meeting Yeltsin associates and performing at a K-12 school and the Old New Rock festival—the first American group to appear at the big winter rock event.

Check it out if you like: Classic pop from Big Star and Badfinger to the Shins and Death Cab for Cutie.

Continued here:

Music Review: “Cover All Sides” by Someone Still Loves You Boris Yeltsin

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