Gas giants' green windfall

Here.

Excerpt:

Just to add to the burden on British consumers, for the first time this quarter they will be able to see the impact of British and European climate change taxes on their bills.

This has added £64 to the bills at NPower, which was the first to increase its prices by 17.2% for electricity and 12.7% for gas.

Out of the green tax of £64, some £30 is the result of an EU fudge over carbon trading units and will add an astonishing £9bn a year of income to the big energy companies.

Ok, so there's a specific example of the cost of a global warming "solution". What, specifically, is the "benefit" to the world's climate?