The latest global report on climate change is "bad news" for New Zealand, which has far fewer mitigation policies than other advanced economies, the Green Party say.

Every day, millions of tons of inadequately treated sewage, industrial and agricultural waste enters the world's waterways, writes Sam Judd.

A recent discovery that agricultural practices help form clouds could change the way we see New Zealand's environmental performance.

Sam Judd writes that perhaps the biggest environmental problem we currently face is the contamination of our waterways by nutrients.

There's a certain circularity in the story of horticultural lighting solutions start-up Biolumic.

That wonderful quote in our English history should be changed in New Zealand to: 'Water, water everywhere and not a drop is saved!'

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

Zoe Hilton's love of the sea led her to Bluff's delicacy and international recognition.

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

Up to 11 species of beetle may be introduced to NZ.

Dr Tim Mackle, chief executive of DairyNZ, warns of the challenges ahead for New Zealand dairying.

The Australian govt is shelving plans to start its ETS for at least three years, but the NZ Government says it has no plans to delay the scheme here.

A 100gm serving of NZ lamb consumed in Britain carries a carbon "cost" equivalent to nearly 2kg of carbon dioxide, new research shows.