British prime minister David Cameron speaks to media tycoon Michael  Bloomberg in New York City on Tuesday. He has apologised for a comment he made about the Queen during a discussion with Mr Bloomberg about her reaction to the Scottish Independence referendum outcome. Photograph: Christopher Goodney-Pool/Getty Images. 0:54

British prime minister David Cameron is to make an unprecedented apology in person to Queen Elizabeth II, after being caught privately describing her (...)

British prime minister David Cameron’s exchange with Michael Bloomberg, the former New York mayor, was accidentally picked up yesterday by Sky News as they walked through an office in the businessman’s media empire. Photograph: Christopher Goodney/Getty Images 0:54

British prime minister David Cameron has been caught on camera talking about how the Queen “purred down the line” after he phoned her to say Scotland (...)

Ed Miliband, leader of the Labour Party, delivers his keynote speech to delegates: “Our country nearly broke up. A country that nearly splits apart is not a country in good health.” Photograph: Dan Kitwood/Getty Images

Labour will hire an extra 20,000 nurses and 8,000 doctors for English hospitals, paid for by a levy on luxury homes, tobacco companies and cutting (...)

Demonstrators near Central Park during the People’s Climate March in New York yesterday. Photograph: Timothy Fadek/Bloomberg

Billed as “the biggest climate demonstration in history”, hundreds of thousands of people – activists, students, celebrities and even some environm(...)

The statue of Christ the Redeemer in Rio de Janeiro is lit up with a message announcing a global mobilisation over climate change – the People’s Climate march, a demonstration to raise awareness about climate change, was held yesterday around the world, in advance of the United Nations Climate Summit tomorrow. Photo: Reuters/Pilar Olivares

The last time so many world leaders gathered to talk about climate change, it was an unmitigated debacle: the 2009 Copenhagen summit – intended to (...)

Michael Bloomberg is set to return to the company he founded.

Sitting still does not suit Michael Bloomberg. Eight months since he left political office, the former mayor of New York has returned to run the marke(...)

US president Barack Obama: to announce African investment plan at US-Africa Business Forum. Photograph: Chip Somodevilla/Getty Images

American companies pledged new investment in Africa today as part of $14 billion (€10.4 billion) in construction, clean energy, banking and informatio(...)

Mrs Robinson’s new role

Nobody could accuse UN Secretary-General Ban Ki-moon of having a shortage of ambassadors to promote the urgency of tackling global warming, following (...)

The Facebook chief and his wife made a donation of 18 million shares of Facebook stock valued at more than $970 million to a Silicon Valley non-profit organisation.

Mark Zuckerberg and his wife, Priscilla Chan, were the most generous American philanthropists in 2013, figures show. The Facebook chief and his wife m(...)

New York mayor Bill de Blasio said he would not march in the parade due to the event’s prohibition on public displays of gay pride, making him the first New York mayor in two decades not to participate. Photograph: Ozier Muhammad/New York Times

New York City mayor Bill de Blasio is boycotting the annual St Patrick’s Day parade in Manhattan next month over the exclusion of gay and lesbian grou(...)