Another milestone in the international response to global warming was marked in New York yesterday when representatives of countries from all over the(...)

Saudi Arabian oil minister Ali al-Naimi: rejects distinction “between clean and dirty fuels”. Photograph: Jacky Naegelen/Reuters

The Kingdom of Saudi Arabia has been cast as the villain of the COP21 UN climate conference. “Saudi Arabia is braking on every important subject,” sa(...)

 Minister for the Environment  Alan Kelly says a binding agreement on 1.5 degree target would be very difficult to achieve politically. Photograph: Eric Luke / The Irish Times

Minister for the Environment Alan Kelly says expectations of a deal at the UN climate change conference must be “realistic”, suggesting that a more am(...)

Christiana Figueres, executive secretary of the United Nations Framework Convention on Climate Change, said the range of initiatives to combat climate change - from new technology, to conservations, to behaviour change - were brilliant but needed to be implemented swiftly. Photograph: Eric Piermont/AFP/Getty Images.

Many impressive responses to climate change have emerged in recent years but they need to be deployed immediately to avoid the rapid rise of world tem(...)

A replica of the Eiffel Tower made out of recycled chairs at the COP21 World Climate Change Conference 2015 in Le Bourget, north of Paris. Photograph: Ian Langsdon/EPA

Every day this week, as commuters poured into central Paris, I joined the thousands trekking out to the Le Bourget banlieue for COP21, the UN climate (...)

 An art installation by  Danish-Icelandic artist Olafur Eliasson entitled Ice Watch, made with parts of Greenland’s ice cap, on display in front of the Pantheon in Paris.  Photograph: Eric Feferberg/AFP/Getty Images

Organisers of the COP21 UN climate conference and environmentalists are deeply divided over the role of the fossil fuel industry. A group of NGOs sub(...)

A man enters the German pavilion during the COP21 world climate change conference  at Le Bourget,  outside Paris, France. Photograph: Reuters/Stephane Mahe

The mammoth task facing delegates from 195 countries at the COP21 climate summit in Paris can be measured by wading through a 54-page negotiating text(...)

Christiana Figueres, Manuel Pulgar Vidal (centre) and Laurent Fabius: Recent reports published have driven home the gravity of the climate change situation. Photograph: Benoit Tessier/Reuters

Whatever suspense remained over the COP21 climate conference that will take place in Paris from November 30th to December 11th evaporated this week, w(...)

Pledges made by countries to cut greenhouse gases in the period up to 2030 make it possible to avoid dangerous climate change, but only with much bigger and expensive action in the future, a UN report suggests. Photograph:  John Giles/PA Wire.

Pledges made by countries to cut greenhouse gases in the period up to 2030 make it possible to avoid dangerous climate change, but only with much bigg(...)

Participants at the opening of the Summit of Conscience for the Climate in Paris. Photograph: Reuters/Etienne Laurent/Pool

The close of the international climate conference on December 11th could well be a cliffhanger. Newspaper editors may be tempted to prepare alternate (...)