The entire anthropogenic global warming meme is a mass delusion foisted on a scientifically illiterate British and Western public by a grant ,position and honour seeking sycophantic scientific establishment and by ecoleft politicians ( including Cameron ) to reward their rent seeking campaign contributors and wind farm land owning friends.
Because of the Urban Heat Island effect and the thermal inertia of the oceans Sea Surface Temperatures are the best measure of global trends. These show that the global warming trend ended in about 2003. There has been no net warming since 1997 since when CO2 has risen 8.5% with no global temperature increase. Since 2003 the trend is negative. The current decline in the solar magnetic field strength is so marked as to suggest a possible coming Maunder Minimum (Little Ice Age) and the phase of the Pacific Decadal Oscillation suggests a likely 20 - 30 year cooling phase. For the next 30 years or so cooling is more likely than warming.A colder dryer earth would be much more harmful to world food production than a warmer wetter one.
In light of the real world climate situation Britain and Europe's climate and energy policies can only be described as lunatic or criminal - probably both