The international development secretary, Justine Greening, reiterated the government's commitment to the target in parliament five days after the vote, saying: "We legislated for it, and we stand by that".
In a speech today at the LSE, Labour's deputy leader announced a 'Keep the 0.7% / 2013 Promise' campaign because of what she called the Tories' "fragile" commitment to the target.
At the GCC summit at the end of 2007 the member states re-affirmed their commitment to the target of achieving monetary union in 2010, while stating that this would only apply to those states which were ready for such a move (Oman has already opted out).
The communique noted "the importance of integrating energy and climate policy at the federal level and the federal government's commitment to the Paris targets".
Facing a direct challenge from the floor of the conference on Monday over the party's commitment to the fiscal targets set out in 2010, Clegg surprisingly admitted that the Lib Dems' "critics have bluntly been pretty successful in portraying the party's economic policy as unthinking, blinkered, rigid, dogmatic, ideological, rightwing small state agenda".
At European Union (EU) level there are large differences in commitment to the EU targets and the construction of nZEB between countries.
The government has recently underlined its commitment to the EU target of limiting global warming to an average rise of 2 deg C.
"In the 2015 Conservative manifesto, the prime minister reaffirmed his commitment to the immigration target he had been told was undeliverable.
With the UN negotiations in Paris now upon us, the fear among campaigners is that despite the continuing rhetorical commitment to the 2C target, a significant moving of the goalposts will be what defines the crucial 2015 conference.
There has been speculation that Greening, who was furious when Cameron demoted her from the Department for Transport to prepare for a possible U-turn over a third runway at Heathrow, would weaken Britain's commitment to the UN target.
