Five findings from a new independent stocktake of the state of our lakes and rivers.

The Executive Director of Greenpeace New Zealand puts his body on the line to stop climate change.

New Zealand was a decade behind countries like the UK.

Turbulence strong enough to throw passengers around the cabin could become more common.

A joint effort by Herald and World Vision fundraising campaign sees them make $200,000.

Niwa meteorologist Ben Noll explains what you need to know about Debbie.

COMMENT: Trumps pro-pollution law change, writes Raybon Kan.

Will he save coal? Will he doom the planet? Does the US care?

Scientists says new study results encouraging when climate research faces fresh threat.

Our oceans are bearing the brunt of climate change. How much more heat can they take?

Labour and Greens are releasing a set of economic promises today.

OPINION: Let's improve the quality of our debate on the challenge of climate policy.

NZ's economic growth is "approaching its environmental limits", a once-a-decade environmental report card says.

Slashing pastoral stock numbers by up to 35 per cent has been suggested among ways to push New Zealand's greenhouse gas emissions down to zero by 2100.

COMMENT: Dutch voters show the hard right might not win Europe's elections this year.

A new smartphone app allows users to check Auckland's air quality at any given time.

It would be comical if it wasn't so terrifying, writes Lisa McLaren.

A researcher says it's embarrassing our country hasn't yet made the move.

Leaving home is the only option for many as the atoll faces the same fate as five islands that have already disappeared.

The power-packed storm meteorologists have dubbed the "Tasman Tempest" dumped more rain on Auckland than typically falls for the whole of March.

A sinkhole in New Lynn could be bigger than it looks. So what causes them? We asked an expert.

A Kiwi scientist meeting in Brazil with world climate experts discusses a new report assessing what an extra 1.5C of warming would mean for the planet.

The United States' top environmental official has rejected the established science of climate change outraging the science community.

Gareth Morgan's The Opportunities Party would ban subsidies on fossil fuels, increase the price of carbon and overhaul energy efficiency efforts under a climate change policy launched this evening.

Travel is safer now, so fewer of us are dying in large-scale disasters, but climate change could reverse the trend.

COMMENT: Moral implications seem a bridge too far in decisions on management of key resource, opines Rachel Stewart.

COMMENT: Figures released last month by Niwa show that 2016 was the hottest year on record for New Zealand, with record or near-record breaking temperatures for many locations, writes Adelia Hallett.

Our forests and other land areas may be sucking up to 60 per cent more carbon dioxide out of the atmosphere than previously thought and we can likely thank our native trees for much of it.

Mankind is already adapting to the widespread impacts of future climate change - but how did we do it in the past? A Kiwi researcher has helped explain.

Regional climate variability caused an unusual period in which some of NZ's glaciers grew bigger, while glaciers worldwide were shrinking, a new study shows.