" ... “each successive doubling period consumes as much resource as all the previous doubling periods combined.” In other words, if our economy grows at 3% between now and 2030, we will consume in that period economic resources equivalent to all those we have consumed since humans first stood on two legs. Then, between 2030 and 2053, we must double our total consumption again. Reading that paper I realised for the first time what we are up against."