| there was an interesting program on TV last night about farming in Brazil, showing their bio-fuel production. Clever stuff.
Re some of the earlier comments, - sure global warming/change has been going on for millions of years, - I am sure when they cut down millions of trees from North America for their intensive farming there was an impact somewhere in the world, - but nowadays we have almost instant reporting of news worldwide, so we get to see the impact. And combined with a global economy that is not able to react quickly to change the main problem with change is down to money/shareholders etc. | 
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