There are many reasons why mainstream parties should take a stronger line challenging the UKIP leader's policies, his reckless approach to climate change is one of them
Former president says report shows need to transform global energy system, but Eastern European countries dismiss zero emission target
Alan Whitehead MP takes a look at the most recent IPCC climate report and finds some encouraging signs the world is starting to act
Dr Rajendra Pachauri, IPCC chair, urges businesses to take a long term view on climate change-related decisions
Dr Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change, explains why its latest report is essential reading for businesses
UN chief says pension funds and insurance companies should invest in renewables, as businesses and politicians unite in calls for urgent climate action
Final AR5 IPCC report urges governments and businesses to work together to prevent temperatures rising beyond two degrees
Leaked draft report outlines huge scale of global threat, as Obama administration edges forward with strategy for international negotiations
Energy and Climate Change select committee says UK should take global lead in slashing greenhouse gas emissions
New analysis by Thomson Reuters Point Carbon suggests the world will blow its carbon budget by 2048, even if China and USA match the EU's 2030 pledges