What are the causes of tsunamis?

What are the causes of tsunamis?

By Sally Warner What causes a tsunami? An ocean scientist explains the physics of these destructive waves. On Jan. 15, 2022, the Hunga Tonga-Hunga Ha’apai volcano in Tonga erupted, sending a tsunami racing across the Pacific Ocean in all directions. As word of the...
Climate change: Where to next for Aotearoa?

Climate change: Where to next for Aotearoa?

By James Renwick In a new report, the Climate Change Commission has called on the New Zealand government to take ‘immediate and decisive action’ to cut emissions.  New Zealand’s Climate Change Commission today released its long-anticipated advice to the...
Climate change: How damaging is methane?

Climate change: How damaging is methane?

By Zebedee Nicholls & Tim Baxter Methane is a shorter-lived greenhouse gas – why do we average it out over 100 years? By doing so, do we risk emitting so much in the upcoming decades that we reach climate tipping points? The climate conversation is often...