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.

Daina Shipping representative Konstantinos Zacharatos again apologised on behalf of the company to the Bay of Plenty community and people of New Zealand.

It is appalling that so many of our rivers are not clean enough for swimming.The reason is obvious. This is a farming country.

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.

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.

Coal made China rich - and dirty. Now the world's biggest polluter wants to clean up.