Guardian: Your Sunday roast stands accused. According to the United Nation’s chief climate expert, Rajendra Pachauri, that tasty piece of top rump resting on your dining table is the source of many of the world’s environmental woes, in particular those involved in the dangerous warming of the planet’s climate. Our appetite for animal flesh is boosting fertiliser production, pollution and emission of greenhouse gases to dangerous levels, Pachauri has told The Observer. Give up meat – at least …