It's the time of the year when toxic algae flourishes in our lakes and rivers. Dangerous levels of toxic algae have been found in parts of the Hutt River and people are being warned to stay out of the water and keep their dogs away. The number of rivers in New Zealand with reported toxic algae is rising. For an update Anna is joined by freshwater scientist Susie Wood from the Cawthron Institute.
9 Jan 2023