Yet some westerners are increasingly uneasy about the moral climate in Moscow.

ECONOMIST: The smell test

The internet has forced existing businesses to adapt, opened up new opportunities and fundamentally altered the political, economic, corporate and moral climate in which these businesses operate.

ECONOMIST: Shuffle up and deal

Also, by then they will also have more economic clout on the world stage to enforce their own ideas of who ought to take moral responsibility for climate change.

FORBES: Uncommon Sense

He said: "We have a moral obligation to act on climate change and influence others worldwide to do the same".

BBC: 'UN Climate Summit' debate 2

Christianity Today, the magazine of Billy Graham's evangelical movement, has just run an editorial arguing the moral case for action on climate change.

ECONOMIST: Energy policy and the environment

No one in Washington, from Congress to Pennsylvania Avenue, will fail to understand that Americans take seriously their moral obligation to address the climate crisis.

CNN: Obama, turn climate 'priority' into leadership

As a means of rewaking morality in this climate of reduced moral sensibility, he says that we need to humanise our ethics, that is, to root it in human needs and values.

ECONOMIST: 20th-century history (2): ...then the ethics | The

These concerns are warranted, and students are increasingly seeing climate change as the moral issue of their generation.

FORBES: Fossil Fuel Divestment Is A Timely Issue For Investors

Sunday's forum, which will be held at Messiah College in Grantham, Pennsylvania, will allow each candidate to speak for 40 minutes on various moral issues, including poverty, global AIDS, climate change and human rights.

CNN: Commentary: Democrats finally getting religion on religion