Scientists will use satellite imagery in the battle to control toxic algal bloom.

Disease-causing bacteria and antibiotic-resistant E. coli detected in Canterbury rivers.

COMMENT: Rachel Stewart looks back on 2018.

Horizons wants 80 per cent of rivers and lakes good enough for summer swimming by 2040.

We'll soon be able to reveal climate change's hand in extreme weather - and in real time.

Girl survives by holding on to branch after being swept down Motueka River.

The region has been hampered by heavy rain for much of the day.

Our $10 whistling duck, the whio, needs protectors.

Scientists are concerned dogs, small children and babies could eat the deadly algae.

Residents say they understand that the science. Made with funding from NZ On Air.

COMMENT: No country in the developed world is trashing its rivers as fast as we are.

COMMENT: We are clearly experiencing management by an unwieldy committee, says Paul Glass.

A new study looking at plight of native fish and land use change paints a grim picture.

Changing numbers on table will not increase nitrogen in waterways, councillors say

Waikato Regional Council to defend race-based policy claim.

The pair sat on the roof of their 4x4 to escape the rising water level.

CPR was performed on the man at the scene, but he was unable to be revived.

Some of New Zealand's deadliest recorded storms struck in the winter of 1863.

A new commission should be created to help stop decline of our waterways, top forum says.

An algae species that creates mucus-like lake snot has likely now spread to Lake Taupo.

The swollen river overflowed, flooding a construction site.

Environmentalists demand end to clearfelling after logs exacerbate Tolaga Bay flooding.

50 years on from the Manapouri saga, NZ's laws have failed its environment, writer argues.

Russell Roads has paid handsomely for resource consent. Made with funding from NZ On Air.

Dry rivers like Canterbury's could be making a hidden contribution to climate change.

Rafting companies said conditions were good and safety procedures were followed.

He was nearing the end of three years worth of research for the book.

Tough measures aim to control pollution in rural waterways.

Whanganui should split from Horizons with the district council expanding its role

Freshwater campaigner Dr Mike Joy aims to get action in new role at new university.