No wonder Friends of the Earth has chosen to call its campaign to persuade the Government to do much more to combat climate change The Big Ask.
In setting out the case for a 70 per cent reduction in carbon dioxide emissions by 2036, the environmental group has in mind measures far and away greater than anything being considered at the moment.
The official Government target for cutting CO2 emissions is a 60 per cent fall by 2050 - something which will be extremely difficult to meet. But even if such a turnaround could be achieved, the impact is unlikely to be great enough to reverse the most damaging aspects of global warming, according to the environmentalists.
The picture Friends of the Earth paints of where Britain could be in 25 years time, if the Government took its responsibilities more seriously, sketches out a country where attitudes to environmental protection have changed beyond recognition. Travel between cities and to the continent is in high capacity high speed trains, farmers routinely grow biofuels alongside food crops and the majority of homes and businesses generate some of their own energy through mini wind turbines and solar panels fixed to their roofs.
All of this could come to fruition, but it is …