Freshwater
Our Changing World - Protecting the Waihi estuary
The health of the Waihi estuary is in decline, threatening its important role as a mahinga kai, or food-gathering site. Justine Murray meets the team trying to turn things around. Audio
Freshwater friends at Zealandia
Claire Concannon meets the latest addition to the Zealandia ecosanctuary family - toitoi, or common bully. Zealandia CEO Dr Danielle Shanahan explains why these little fish will be an important part… Audio
Our Changing World – New fishy friends at Zealandia
More than 100 toitoi, or common bullies, have been reintroduced to Zealandia Ecosanctuary in Wellington as part of an ambitious vision to restore the mauri of the freshwater catchment. Audio
NZ freshwater environment worsening, new report shows
Groundwater sites, failing drinking water standards, lakes reaching breaking point and more nitrates entering rivers, not to mention climate change.
New Zealand's freshwater environment is in a bad… Audio
What's really happening with whitebait?
It's been a tough season for many whitebaiters - some say it's been one of the worst they can remember. NIWA freshwater ecologist Mike Hickford and DOC's Director Aquatic Kirsty Knowles join Kathryn… Audio
Mataurangi Māori Freshwater
Louise Richards Vice President of the New Zealand Geographical Society joins us once again. She's joined tonight by Dr Gail Tipa who will be one of the keynote speakers at the New Zealand Geographical… Audio
Collaborating to move freshwater species
University of Canterbury freshwater biologists are using a joint mātauranga Māori and western conservation science framework for their work translocating species. Audio
Our Changing World for 25 February 2021
Mapping the hidden reservoirs of underground water across New Zealand and a mātauranga Māori view on moving freshwater species. Audio
Trees, Trees, Trees
Willy and Kelsi Haenga's Gisborne-based business, FarmCare, is plugging a gap helping busy farmers plant trees to keep waterways clean and stop erosion. Audio
Our Changing World for 3 December 2020
How river water reaches out to sea and an epidemiologist talks about work into the causes of cancer. Audio
Ngāi Tahu taking Crown to court over fresh water rights
Ngāi Tahu announced today it is taking legal action against the Crown to protect South Island lakes and rivers. Audio
Are farmers on board with sustainability or not?
Are farmers really intractable over freshwater regulations and climate change rules - or are they embracing environmental protections as the Prime Minister suggests? Audio
A spotlight on NZ lakes - Lakes380 part 2
380 New Zealand lakes are in the spotlight, and Marcus Vandergoes from GNS Science explains what happens to the thousands of sediment cores that will reveal a 1000-year history for each lake. Audio
Lakes380 to reveal 1000-year history of lakes - part 1
Susie Wood from the Cawthron Institute says that sediment cores & eDNA will reveal a 1000-year history for 380 NZ lakes. Audio
Our Changing World for 21 November 2019
Susie Wood from the Cawthron Institute talks about Lakes 380, which will reveal a 1000-year history of 10 percent of NZ lakes, plus the element terbium. Audio
Rare snail found ONLY on one New Zealand hill
Mountain bikers are being warned not to go off track on one particular hill in the capital city which is the only place in the world where a special type of freshwater snail can be found. Audio, Gallery
Plastic pollution in streams - a citizen science effort
NIWA freshwater scientist Amanda Valois is co-opting citizen scientists to work out where plastic rubbish in streams is coming from. Audio
Our Changing World for 21 February 2019
A citizen science project on plastic pollution in streams and flying kākāpō sperm takes to the air. Audio
PM: No one iwi has mandate to speak for all Māori
Prime Minister Jacinda Ardern is pushing back on any one group having a mandate to speak for Māori and says two seats remain at the table for the iwi chairs if they want to be part of a wider… Video, Audio
'Fish ear bones are like a diary'
Fish ear bones are tiny treasure troves of information about a fish's life, its environment and even local weather. Audio
