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Saturday, November 1, 2008

Study links human activity to polar warming

Human activity and, in particular, the production of greenhouse gases can be linked definitively to warming in parts of the Arctic and Antarctic, according to a new study that makes the controversial connection for the first time.

Scientists used models to determine the causes of climate change in the two polar regions, finding that only when they included human influences could they explain the rise in temperatures in both areas.
Nathan Gillett, who co-wrote the study that appeared yesterday in the online journal Nature Geoscience, said they compared four different models using artificial versus naturally occurring factors affecting temperatures.

Their stark discovery was that only with the influence of artificial greenhouse gases, such as carbon dioxide, could they simulate the warming trend in parts of the remote regions.

"It makes clear that the warming that we're seeing definitely can be linked to human influence in the Arctic and the Antarctic," said Dr. Gillett of the Canadian Centre for Climate Modelling and Analysis at Environment Canada in Victoria.

...researchers said the models showed that the two-degree temperature rise in the peninsula of Antarctica over the past three decades could be reproduced only when CO{-2} was factored into the model.

One critic of the study stated:

"The report focuses on temperature changes going back to 1900 and up to the present, but doesn't include earlier periods when areas in the Arctic were actually warmer than they are today and were not affected by artificial greenhouse gases, Dr. Christy said. "Just 1,000 years ago the Arctic was much warmer than it is today, so it's interesting that they would use the term conclusively," he said. "Natural variability can account for warming since the Arctic has been warmer before."


Source:http://www.theglobeandmail.com/servlet/story/RTGAM.20081031.wwarming31/BNStory/National/home

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Thoughts worth thinking about

"Our subconscious minds have no sense of humor, play no jokes and cannot tell the difference between reality and an imagined thought or image. What we continually think about eventually will manifest in our lives."-Sidney Madwed



Laws alone can not secure freedom of expression; in order that every woman and man present their views without penalty, there must be spirit of tolerance in the entire population.- Albert Einstein Too often we underestimate the power of a touch, a smile, a kind word, a listening ear, an honest compliment, or the smallest act of caring, all of which have the potential to turn a life around. - Leo Buscaglia



A person's true wealth is the good he or she does in the world. - Mohammed



Our task must be to free ourselves... by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty. -Albert Einstein



The best way to find yourself, is to lose yourself in the service of others. - Ghandi



The unselfish effort to bring cheer to others will be the beginning of a happier life for ourselves. - Helen Keller



Aim for success, not perfection. Never give up your right to be wrong, because then you will lose the ability to learn new things and move forward with your life. Remember that fear always lurks behind perfectionism. Confronting your fears and allowing yourself the right to be human can, paradoxically, make yourself a happier and more productive person. - Dr. David M. Burns



Life is as dear to a mute creature as it is to man. Just as one wants happiness and fears pain, just as one wants to live and not die, so do other creatures. -His Holiness The Dalai Lama



Mankind's true moral test, its fundamental test (which lies deeply buried from view), consists of its attitude towards those who are at its mercy: animals. And in this respect mankind has suffered a fundamental debacle, a debacle so fundamental that all others stem from it. -



Milan Kundera, The Unbearable Lightness of Being



The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them. That's the essence of inhumanity. -George Bernard Shaw

Ego's trick is to make us lose sight of our interdependence. That kind of ego-thought gives us a perfect justification to look out only for ourselves. But that is far from the truth. In reality we all depend on each other and we have to help each other. The husband has to help his wife, the wife has to help the husband, the mother has to help her children, and the children are supposed to help the parents too, whether they want to or not.-Gehlek Rinpoche Source: "The Best Buddhist Writing 2005 pg. 165

The hostile attitude of conquering nature ignores the basic interdependence of all things and events---that the world beyond the skin is actually an extension of our own bodies---and will end in destroying the very environment from which we emerge and upon which our whole life depends.