UN urges world to be ready for El Niño extreme heat risk

The World Meteorological Organisation has confirmed that warm ocean waters in the tropical Pacific Ocean are fuelling the development of a significant 'El Niño' planet-warming event, which will increase global temperatures and drive more extreme weather and rainfall events in the months ahead.

La Niña could help lower temperatures this year - UN

The return of the cooling La Niña weather phenomenon this year should help lower temperatures somewhat after months of global heat records, the United Nations' weather agency has said.

Climate change warnings raised. Report says rising sea levels to affect New York, Shanghai

Large swathes of New York and Shanghai could disappear under the waves and millions driven into poverty, fresh climate reports warned as ministers scrambled Monday for common ground weeks ahead of a crunch environmental summit.

World in 'unchartered territory' as greenhouse gases hit new high (UN)

Concentrations of carbon dioxide and other greenhouse gases in the atmosphere hit a new high in 2014, the UN said on Nov 9, warning the resulting climate change was moving the world into "unchartered territory."