On yet another dreary commuting foray to North America, I had the opportunity to converse at length with an eminent climate scientist over anthropogenic global warming issues.

Chris de Freitas and Keith Hunter says the global temperature has not risen over the past 13 years.

The Scientist shuffled into the room. He hated this room and every time he was in it he longed for the safety of his laboratory.

Despite weather extremes, an Auckland climate scientist is unconvinced about the role of human-induced global warming.

Human-influenced global warming has played a role in the severe weather events in NZ and abroad...

Prime Minister John Key has defended New Zealand's emissions trading scheme amid criticism it is soft compared with a new Australian scheme.

PM must please Greens and placate struggling voters if she is to succeed in pushing legislation through Parliament and regain shrinking popularity.

PM slips behind Abbott as preferred leader for first time.

Floods, hurricanes, droughts - will climate change mean more wild weather ahead? That's a risk the insurance industry is taking very seriously, reports Peter Huck.