After reading this hopefully you'll be convinced the production and use of disposable coffee cups is an irresponsible act that is harming our environment, writes James Murray.

Simon Lamb quizzed 40 of the world's leading climate scientists to bring their work to film.

Climate change is forecast to make huge tracts of land ripe for grape-growing in New Zealand while threatening vineyards in some of the world's most celebrated wine regions.

A warming planet could double the amount of good grape growing land in New Zealand over the next 40 years, a new study shows.

From his office in the alpine ski resort of Chamonix-Mont-Blanc, meteorologist Gilles Brunot is looking out at snow-capped peaks washed with spring sunshine, resplendent under a pale blue sky.

NZ's top climate change scientists have rallied together to slam a visiting sceptic who is touring the country to proclaim global warming as a myth that should be ignored.

Some time next year, what could be the world's largest research project will be presented to the United Nations' Inter-governmental Panel on Climate Change.

We're known for being clean and green, but Kiwis are still eating up at least twice their fair share of the planet when it comes to sustainability.

The drought is a timely reminder of how much the New Zealand economy depends on rainfall, writes Brian Fallow.

Wayne Smith says he is making a "moral stand" on climate change in joining 100 celebrated Kiwis in a major call to address New Zealand's most critical risks.

The world is now warmer than at almost any time since the end of the last Ice Age and, on present trends, will continue to reach a record high for the entire period since the dawn of civilisation, a study has found.

A groundbreaking study of tiny micro-organisms that survived in a hotter New Zealand 50 million years ago has offered a unique glimpse into how a dramatically warmer world could affect human civilisation.

Economic modelling based on ethanol, which has its limitations as a fuel, may underestimate the potential yields and value added, writes Brian Fallow.

Al Gore is a sellout and a hypocrite - my days of trusting him are over.

A New Zealand researcher has challenged long-held claims that most species will be wiped out before they can even be discovered.

The Minister of Climate Change, Tim Groser, (NZ Herald, December 20) says it makes sense for New Zealand to drop out of the Kyoto Protocol and work towards an agreement with broader international support.

To disguise what it is doing, the Beehive has ordered the Ministry for the Environment to abandon the five-yearly State of the Environment round-up report, writes Neville Peat.

Acclimatising to heat is a tough gig. Since 1970, central Australian regions have warmed 1.2C and as the world continues to get warmer.

Humans have made first contact with a massive emperor penguin colony in east Antarctica.

Glaciologists fear they may have seriously underestimated the potential for melting ice sheets to contribute to catastrophic sea-level rises.