An estimated 2000 to 3000 people turned out to show their concern about climate change in a Dunedin march this afternoon. Source: ODT

In an effort to lower carbon emissions in New Zealand, Westpac has publicly revealed the amount of lending committed to fossil fuel and environmentally friendly companies.

Ahead of the UN climate change conference in Paris, the Herald's science reporter Jamie Morton is talking to a range of experts on climate-related issues.

The silliest thing about the potential end of our world is it's so boring, people don't care. Who'd have thunk it?

That's it: I am no longer faithful and true to the Queen's heirs and successors, writes Rodney Hide.

Showery spring weather did not dampen the spirits of thousands of New Zealanders who took to the streets this weekend to demand stronger government action on climate change.

Ahead of the 2015 UN climate change conference in Paris, the Herald's science reporter Jamie Morton talks to the author of a new book about climate change

People's Climate rally in Hastings

What's the role of Auckland Council? Is it, as Mayor Len Brown claims, to help play a part solving the problems of the world such as climate change?

If we all continue this way, temperatures on Earth will probably rise by up to 5C by 2100. That would mean the Earth warming more than it has since the end of the last Ice Age.

In the first of a series of Q&A interviews with leading figures on climate change, science reporter Jamie Morton talks to Tim Groser.

Climate change has long been a highly polarising topic in the United States, with Americans lining up on opposite sides depending on their politics and worldview.

It's become a hot topic over farm fences across the country, but Bruce Wills has been preparing for this El Nino since 2007.

The Government has dismissed one of the key recommendations in a report on rising sea levels.

Members of the Flat Earth Society may still claim climate change doesn't exist.

COMMENT: Announcement that Len Brown is going to the world climate change conference in Paris will anger many.

Auckland Mayor Len Brown says there is much to learn for Auckland from his attendance at a global climate change conference in Paris this month.

A wet-bulb temperature of 35C is regarded as the survivability limit for healthy people.

Ten major oil companies including Royal Dutch Shell, BP and Saudi Aramco declared on Friday that they totally get the climate change thing and would support measures aimed at preventing it.

Yes, more can be done and with more urgency, but New Zealand is embracing progress on climate change.

It's been called the "Genghis Khan" of the ant world, and for good reason.

Vulnerable native species may face further risk as climate change makes more of our country hospitable to stray cats.

The waters around the Kermadec Islands to the north of New Zealand will become one of the largest ocean sanctuaries in the world, John Key announced.

28 researchers from around the world examined which factors were most likely to result in people taking action.

Imagine what an election debate in 2029 might look like.

If the vast East Antarctic Ice Sheet melted, oceans would rise by 50 metres. This week, new scientific evidence will be presented that shows it's at risk.

A new study has found that if we burned all the fossil fuel on Earth, the Antarctic ice sheet would completely disappear.