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...
How do heatwaves affect biodiversity?

How do heatwaves affect biodiversity?

By Cate Macinnis-Ng New Zealand summers are getting hotter – and humans aren’t the only ones feeling the effects.  It’s not a mirage, our summers are getting hotter on average and we are experiencing more extremely hot days. News from NIWA that 2021 was New...
Are oceans the key to combating climate change?

Are oceans the key to combating climate change?

By Maria Armoudian & Simon Thrush Oceans have already slowed the rate of global warming for decades, but unless we shift our approach to focus on them we will lose that capacity to solve the planetary overheating problem. As often happens with big meetings of...
How can we make our air cleaner and fresher?

How can we make our air cleaner and fresher?

Our researchers investigate what’s really in the air we breathe and how we can make it cleaner and fresher in our urban areas. The wood burner crackles away merrily, spreading warmth throughout your home. Its smoke goes up the chimney and out of sight. But you may be...
Is a healthy environment a human right?

Is a healthy environment a human right?

By Nathan Cooper How the new human right to a healthy environment could accelerate New Zealand’s action on climate change. Last week’s formal recognition by the United Nations Human Rights Council that the right to a healthy environment is an essential human right has...