The United Nations Development Programme (UNDP) published its annual Human Development Index on Wednesday, painting a grim picture of the prospects for millions of people in some of the world's poorest nations.

Associated Press

The global output of heat-trapping carbon dioxide has jumped by a record amount, according to the US department of energy, a sign of how feeble the world's efforts are at slowing man-made global warming.

Fiona Harvey

The threat posed to crop production by plant pests and diseases is one the key factors that could lead to "a perfect storm" that threatens to destabilise global food security.

Fiona Harvey

Group of leading scientists urge investment in sustainable agriculture to solve hunger crisis and reduce global warming

Mark Kinver

A rise in the use of "ozone-friendly" HFCs has prompted experts to voice concerns that the potent greenhouse gases could be a problem in the future.

alertnet // Katie Murray

Failures of urban planning are putting lives, infrastructure and businesses at risk as weather shocks – like the floods now surging through Bangkok – become more frequent as a result of climate change, urban planning and climate experts say.

Damian Carrington

Droughts and rising sea levels could reverse efforts to improve living conditions of world's poorest people, report warns

Fred Pearce

The inconvenient truth is that coal remains a cheap and dirty fuel — and the idea of 'clean' coal remains a distant dream

BRYAN WALSH