The UK still has one of the developed world's lowest levels of social mobility and universities have an essential role to play in securing the progress of talented individuals.
"You played a key role in securing the progress made at the Cancun and Durban summits (on climate change), and I pay tribute to the leadership you showed at both," Cameron wrote.
"Despite strenuous efforts by our negotiators we have not been able to secure the kind of progress required in the key areas of jobs, services and safety for us to reach an agreement," a union spokersperson said.
"We will act," the leaders declared, "to restore confidence in the fairness and effectiveness of our international tax rules and practices, and to ensure that each country is able to collect taxes owing and that developing countries are also able to secure the benefits of progress made on this agenda".
The RMT general secretary, Mick Cash, said: "Despite strenuous and continuing efforts by our negotiators, we have not been able to secure the kind of progress we hoped for in the key areas of jobs, services and safety for us to reach an agreement.
We need committed resources to secure the empowerment, health and progress of the world's 1.8 billion young people and we need to invest in gender equality, not only as development and moral imperatives, but as investments in a better future for all.
Clinton campaign strategists hope that she can maintain enough of a lead among black voters in southern states to secure the nomination as the primaries progress.
The Spaniard already has 10 assists in the Premier League and was instrumental in four of the five goals in Gelsenkirchen on Tuesday as Chelsea humiliated Schalke to secure their progress into the knockout stage of the Champions League.
A5 NATIONAL A18-20 AmericanStillll Vulnerable To Terror, Officials Say Top Bush administration officials charged with securing the nation have cited progress but also acknowledged the continuing threat of terrorism.
