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Like all advances in science, the theory comes first, the evidence follows. The problem in this case is that the level of evidence required by the cynics is such that the Earth will be screwed before they are convinced. Others, myself included, take the view that the theory is probably sound enough for us to worry about it and we should do what we can now, while we have a chance.
In other words, we can wait for proof (ie the temperature does rise by 2C on average by 2050) and then worry about it. But worrying then will be pointless because it will be too late.
Or we can start to prepare now, bearing in mind that the science will firm up or fail over time and perhaps get our act together to try and slow down the rate of change so that we have more time, as a species, to adapt. The worst then is that we have spent a small % of GNP on efficiency measures and burnt a bit less fossil fuel.
As for it being a tax raising 'con', well the Government are going to raise tax somehow. They could increase income tax (no chance) or indirect taxes. If they increase taxes on stuff we don't need, we will buy less and they won't get their cut. Or they can raise taxes on stuff we are addicted to (smokes, drinks and petrol) and they will raise what money they need. And if we all suddenly stopped using fossil fuel they would tax the air we breathe, the water we drink and the food we eat. They will get their cut. Its not a tax raising con its a fact of life.
Now, go and 'dis' the science, and tell us really why MMGW is a load of bull. |
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