See NIWA scientists talking about their work, along with fascinating animations and underwater footage.

Fitzroy - Niwa's new supercomputer
NIWA has one of the most powerful supercomputers in the southern hemisphere at Greta Point in Wellington.
Fitzroy construction timelapse
Timelapse footage of the construction of NIWA's supercomputer, Fitzroy 
Our changing climate
 As knowledge about our climate system grows, NIWA climate scientists David Wratt, James Renwick, and Andrew Tait discuss the challenges and benefits of NIWA's work
Bluff oysters - managing an iconic fishery
NIWA is working with the fishing industry, the Bluff Oyster Management Company, and Seafood Innovations Ltd to increase understanding of the factors that drive oyster production in Foveaux Strait.
Current conversion - tidal and wave energy in New Zealand
Technology for extracting energy from wave and tidal currents is now a viable alternative to traditional power generation methods.
Ice age or meltdown?
Funded by the Ministry of Science and Innovation and the Marsden Fund, NIWA conducts a range of experiments in Antarctica.
Great white sharks - sighted, tagged and tracked
Scientists from DOC, NIWA, and the University of Auckland are building a unique picture of New Zealand's great white shark population.
Rig sharks - a familiar stranger
Some think they're cute, and some say tasty, but little is known about rig sharks and their habitat.
Bonamia - the Bluff oyster bugbear
Changes in the Foveaux Strait oyster population due to the bonamia parasite have led to new challenges for NIWA scientists.
The humble oyster dredge - time for makeover?
NIWA scientists are helping to improve the design of dredges used by the oyster fishing vessels in Foveaux Strait.
Tangaroa aerial footage
Tangaroa returns after a refit in Singapore (12 December, 2010) 
Tangaroa refit 2010
Tangaroa refit 2010 
Kaikoura Canyon Seabed Life
The video represents a number of clips that have been spliced together to illustrate the abundant life associated with the muddy seabed sediments in Kaikoura Canyon at 1000m.
Demonstration of CLUES Estuary Tool
The CLUES Estuary Tool predicts the effects of land use changes on nutrient concentrations in estuaries through a novel combination of GIS and hydrodynamic models.