A view of Arno, a coral atoll of the Marshall Islands in the Pacific. Rising sea levels are already an inescapable part of daily life in the Marshall Islands. Photograph: Josh Haner/The New York Times

Sea levels are rising, and rising faster every year. The two main factors are related to global warming: the water from melting land ice and the expa(...)

‘Generating solar electricity on our roofs should be one of the easiest projects for a householder or a community. But in Ireland you don’t get paid for supplying solar electricity to the grid. That explains why we have only 1MW of installed solar, while the UK has 3,400 MW.’ Photograph: Getty Images

Industrial wind? Coal at Moneypoint? Fracking? Peat? The Government is consulting on the future of our energy system. They will prepare a document lat(...)

Indian Nobel Peace Prize laureate Rajendra Pachauri, who resigned this week as chairman of the UN’s Intergovernmental Panel on Climate Change after being accused of accused of sexually harassing a female employee at his Delhi-based think tank. Photograph: Martial Trezzini/EPA

Rahul Bedi, in New DelhiThe former head of the UN’s Intergovernmental Panel on Climate Change has been barred by a New Delhi court from leaving India,(...)

The IPCC report says options available to cut emissions, include using energy more efficiently, switching to renewable energy sources and investing in large-scale afforestation. Photograph: Reuters

Global greenhouse gas emissions will need to fall to zero by the end of this century if the world is to avoid the most devastating impacts of climate (...)

IPCC Working Group III co-chair Ottmar Edenhofer presents the Working Group III’s summary for policymakers at the Intergovernmental Panel on Climate Change (IPCC) in Berlin today. Photograph: Steffi Loos/Reuters

Following are main findings by the UN’s Intergovernmental Panel on Climate Change (IPCC) in a report saying time is running out to keep global (...)

File photograph  of a coal-fired power pant. The latest report from the UN’s Intergovernmental Panel on Climate Change sets out ways to curb rising temperatures by tackling greenhouse gas emissions. Photograph: John Giles/PA Wire

Massive cuts to greenhouse gas emissions are needed in the next few decades to avoid “dangerous” climate change, a major international report h(...)

Mr Vicente Barros, IPCC Working Group II co-chair, stressed the importance of adapting to climate change. Photograph: EPA

A bleak picture for humanity, depending on how much the world actually warms in the 21st century, is painted by the UN’s Intergovernmental Pane(...)

A man places his hand on the parched soil in the Greater Upper Nile region of South Sudan in 2012. Future heatwaves could threaten key global food crops if climate change is not addressed. Photograph: PA

The world is at risk of “crossing multiple tipping points”, triggering dangerous global warming, if average surface temperatures rise by 4 degr(...)

Flames from the Rim Fire consume trees  near Groveland, California. Photograph: Justin Sullivan/Getty Images

Scientists are more certain than ever that humans are causing the majority of climate change, a major new report has shown. The first part of the Inte(...)

East coast of Greenland: higher temperatures might mean more wintertime freezes with Arctic air pouring over Ireland

The notion of being careful about what you wish for certainly holds true when one looks at how our climate will alter due to climate change. While we (...)