US president Barack Obama leaves the stage after a news conference at the conclusion of his visit to Paris, for COP21. Photograph: Benoit Tessier/Reuters

President Barack Obama’s prominent role during the first two days of the COP21 UN climate change conference will help to consolidate his legacy as a (...)

 Narendra Modi: originated the concept of ‘climate justice’. Photograph: Stephane Mahe/Reuters

The prime minister of India, Narendra Modi, began his launch of the “Solar Alliance” at the COP21 climate change conference with a paean to th(...)

COP21 family photograph of state and government leaders at the opening day of the conference at Le Bourget in Paris yesterday. Photograph: Jacky Naegelen/AFP/Getty Images

A grimy, ramshackle exhibition park in a Paris banlieue felt like the headquarters of world government yesterday when President Francois Holla(...)

Award for best alternative placards: Spotted at the Dublin climate march on Sunday, tweeted by Green Party councillor Ciarán Cuffe

Le Bourget is on the outskirts of Paris on the way to Charles de Gaulle airport. It’s an exhibition centre and the biggest domestic event it hosts is(...)

President Vladimir Putin of Russia, second from left, speaks to  US secretary of state John Kerry, right, at the UN climate change conference in Paris. Photograph: New York Times

US president Barack Obama has told crucial climate change talks in Paris the negotiations represent an act of defiance after the attacks in t(...)

 President Barack Obama (right), French president Francois Hollande and Paris Mayor Anne Hidalgo pay their respect at the Bataclan concert hall,  after Obama arrived in the French capital to attend the World Climate Change Conference 2015 (COP21)on Monday. Photograph: Philippe Wojazer, pool via AP

President Barack Obama laid a single rose at a memorial for the victims of the Paris attacks on Monday shortly after arriving in the city, vi(...)

The Place de la Republique is covered in pairs of shoes  in  Paris, as part of a symbolic and peaceful rally called by the NGO Avaaz within the UN conference on climate change COP21. Photograph: Miguel Medina/AFP/Getty Images

Ireland faces fresh pressure from EU member states and the European Commission over its high level of agricultural emissions, Taoiseach Enda Ke(...)

A woman participates in a human chain to show solidarity for climate change after the cancellation of a planned climate march in Paris yesterday. Photograph: Benoit Tessier/Reuters

The COP21 United Nations conference on climate change which begins today is being presented by French media as “two weeks to save the Earth”. (...)

Human Rights Campaigner Graca Michel with Mary Robinson during her visit to Ballina, Co Mayo, where she delivered the second Mary Robinson Centre International Human Rights lecture. Photograph: Henry Wills.

Former president Mary Robinson has said she is “hopeful” that there will be sufficient political will to secure an agreement on climate chang(...)

People wounded in the Paris attacks and family members attend a ceremony to pay a national homage to the victims of the Paris attacks at Les Invalides monument in Paris. Photograph: Charles Platiau/Reuters

French president Francois Hollande has promised the families of those killed and wounded in the Paris attacks that he will do everything to de(...)