John Key has dismissed criticism of New Zealand's "100% Pure" brand, by comparing it to a McDonalds marketing campaign.

Editorial: Russel Norman is absolutely right to say that scientists must be free to perform their academic duty to report environmental degradation.

The green waste dumped and leaching into Dunedin's urban streams is "offensive" and endangering the brown trout, Fish & Game says.

According to the latest update, the salvage crew lost two work days last week because of poor weather, but on the remaining days good progress was made.

More than half of monitored recreational sites on our rivers are unsafe for swimming, a report has revealed.

Scientists are ramping up surveying over concerns for dangerous substances that were stowed onboard the MV Rena in shipping containers and lost at sea.

Sam Judd looks at the effect of plastic and toxins on marine life - particularly killer whales.

As valuable to marine life as it is prized by humans, the Hauraki Gulf is in decline. Though solutions seem as elusive as the gulf's fish stocks, a groundswell is building for collaboration.

Air pollution from motor vehicles will kill about 255 Kiwis this year - and while we've got emissions standards, there's no serious testing regime in place.