My Lords, briefly, I support the thinking behind the amendment. I have two points. There has been significant discussion of the gas price and the coal price. One should bear in mind that both of these could go up and down fairly dramatically. It is quite likely that the shale gas price in the US will rise, simply because the majority of the shale gas in the US resource is not economically exploitable at the present price of between $3 and $4. This is not of great importance, except to emphasise that coal and gas can
change. It is important that we see the long-term perspective here and that we do not legislate now on the basis of how these prices look today.
I am not sure that the wording that we have here is right, but the Government need to come back to the House and let us know how they are actually going to meet their obligations under the Climate Change Act in the light of the elevation of the carbon price and the other considerations to which noble Lords have drawn attention.