David Cameron

For a boy of ten, used to the coal bings and rust-coloured burns of Cowdenbeath, the fields and woodland of Kingswood, with its overgrown but stately avenue of copper-barked sequoias, felt like a local version of paradise.

I want to tell mayors, county chiefs and heads of big companies: don't just chase GDP growth; don't chase the biggest profits at the expense of our children and grandchildren and at the cost of sacrificing our ecological environment.