A new international study using ancient swamp kauri from Northland shows a temporary breakdown of Earth’s magnetic field 42,000 years ago sparked major climate shifts leading to global environmental change and mass extinctions.
The first month of data from NIWA’s air quality monitoring project in Arrowtown reveals that air quality has already breached the national standard eight times this winter, including six times in the week from 19 to 26 June – in fact every time the air temperature dropped below freezing.
A newly formed partnership between Asthma and Respiratory Foundation NZ and NIWA aims to provide the latest air quality research to over 700,000 people living with respiratory conditions in New Zealand.
Pupils at a Central Otago primary school are helping NIWA air quality scientists learn more about pollution in their town in a four-month project that will track where smoke comes from and where it goes over winter.
Sitting at the surface of Taylor Glacier in Antarctica, are layers of ice more than 10,000 years old. And trapped inside those layers are bubbles of ancient air – like tiny time capsules - able to tell scientists a story about what the world used to be like and how humans have changed it.