US contributes $12m to new UN project to cut substances that accelerate climate change and damage health
Low cost options to reduce particles could save lives, protect crops, and limit global temperature rise, report says
Report warns major cities in emerging economies will have to cope with soaring climate risks
Independent study echoes previous studies in finding the world's average land temperature has risen 1˚C since the 1950s
As doctors warn of rising climate impacts new research predicts sea levels will rise 75cm by 2100
Combating 'black carbon' would keep world under two degrees Celsius target and benefit health and agriculture
Report warns UK risks infrastructure 'cascade failure' without investment in climate resilience
As the Cancun Summit kicks off, scientists outline the catastrophic scale of the climate change threat
World Energy Outlook warns oil price spike will hit if countries fail to shift to low-carbon economy