Country-level study details how 24 nations are facing potential climatic disruption
US government agency says CIA should abandon its traditional culture of secrecy and begin sharing its intelligence on the issue
If fossil fuel infrastructure is not rapidly changed, the world will 'lose for ever' the chance to avoid dangerous climate change
Report says refugees forced to leave homes by weather caused by global warming may end up in even worse afflicted areas
Rising greenhouse emissions could tip off aliens that we are a rapidly expanding threat, warns a report
World Resources Institute brings together Goldman Sachs, General Electric, Bloomberg, and others to develop water risk map
Security Council acknowledges concern climate change may "aggravate certain existing threats to international peace and security"
UK climate secretary to tell defence experts that conflict caused by climate change risks reversing the progress of civilisation
With fields left parched and rivers at record lows, government officials and experts meet to discuss the drought across the UK
Environment secretary holds drought summit with major water users as England and Wales face worst dry spell since 1990