-David Suzuki, Environmentalist
I have never been a plant person and just about the best I can do is mow the lawn. My better half on the other hand has a knack for plants and as a result we have quite a few plants that are thriving. This summer we moved them out to the back deck and expanded to vegetables. Not exactly a farming operation, we started with cherry tomatoes and string beans. To my amazement they grew along with the wild flowers we planted. As summer waned we decided to build a lean-to green house. We ordered and built the green house and put most of the plants in it and as a result they have thrived and the tomato plants are producing many more tomatoes. The lean-to is built against the house and therefore benefits from ambient heat. What I have noticed is how warm it stays in the green house. When the sun shines it gets up to eighty degrees and even higher even if the outside temperature is considerably lower. I have built a heating system for the cold nights but so far it really hasn't been needed.
It brings to mind the stories that I have been reading regarding climate and global warming. The green house effects is a good thing for the planet but the amount of co2 in the atmosphere has increased to the point that it has become a danger to our existence. "Prof Rees of the University of British Columbia, Vancouver, Canada, says climate change models released by the Intergovernmental Panel on Climate Change have been too conservative."
"There are a number of indicators that suggest the models, incomplete as they are, and as influenced as they are by the need to be conservative because we don’t want to panic people, have actually been too conservative," he says.
"The actual climate change that is being observed exceeds the worst-case scenario projected." More frightening is the warning that climate change may be sudden not gradual. A recent headline said, Climate 'time bombs' stoke scientists' fears "They say Earth's biosphere has numerous "tipping points" -- triggers that cause global warming and its impacts to lurch up a gear or two, rather than occur in a smooth, incremental way."
The danger that exists is a danger that we as a species face; it is our very existence. Someone said to me once that the planet will self regulate. Well it may self regulate but it doesn't mean that the self regulation will be for our benefit. The upcoming Copenhagen conference may be our last great hope.
The deniers and special interests are at this point ridiculous in the face of the overwhelming evidence and the science. The deniers are like those people who criticized the Obama administration for a conspiracy about Swine Flu and the H1N1 virus. They said it was a lie and there was no danger. When thousands of people around the country began getting sick and some dying, they suddenly clamored for the vaccine and criticized the administration for not having enough ready. The climate is due to get more unstable and the effects will be long term. What we have to do is reverse the trend and reduce Co2 in the atmospheres to mitigate future danger and begin a change in a positive direction. We currently are at 384.38 Co2 ppm and rising, the goal is 350 ppm. It will take great will and great sacrifice and intelligence.
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