David Attenborough schrijft in de Independent: 'Climate change is the major challenge facing the world. I was sceptical about climate change. I was cautious about crying wolf. I am always cautious about crying wolf. I think conservationists have to be careful in saying things are catastrophic when, in fact, they are less than catastrophic. I have seen my job at the BBC as a presenter to produce programmes about natural history, just as the Natural History Museum would be interested in showing a range of birds of paradise - that's the sort of thing I've been doing. And in almost every big series I've made, the most recent one being Planet Earth, I've ended up by talking about the future, and possible dangers. But, with climate change, I was sceptical. That is true.
Also, I'm not a chemist or a climatologist or a meteorologist; it isn't for me to suddenly stand up and say I have decided the climate is changing. That's not my expertise. The television gives you an unfair and unjustified prominence but just because your face is on the telly doesn't mean you're an expert on meteorology. But I'm no longer sceptical. Now I do not have any doubt at all. I think climate change is the major challenge facing the world. I have waited until the proof was conclusive that it was humanity changing the climate. The thing that really convinced me was the graphs connecting the increase of carbon dioxide in the environment and the rise in temperature, with the growth of human population and industrialisation. The coincidence of the curves made it perfectly clear we have left the period of natural climatic oscillation behind and have begun on a steep curve, in terms of temperature rise, beyond anything in terms of increases that we have seen over many thousands of years. ' Lees verder: http://news.independent.co.uk/environment/article570935.ece
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