Articles on Mass extinctions

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Many marine reptiles like this nothosaur went extinct at the end of the Triassic, one of five major mass extinction events on Earth. Brian Choo

Elementary new theory on mass extinctions that wiped out life

A fall in vital trace elements in our oceans could be one of the driving forces behind a number of mass extinction events during Earth's history.
Carbon dioxide levels are rising at their fastest rate since the dinosaurs’ time. iurii/Shutterstock.com

What will a hotter Australia be like? The past gives us some clues

The latest climate projections released last week by the Bureau of Meteorology and CSIRO predict that Australia could potentially warm by between 2.8C and 5.1C by 2090. Meanwhile, the 2014 State of the…
Zoos provide succor for species having a tough time of it in the wild. B. A. Minteer

Can zoos save the world?

Today, many zoos promote the protection of biodiversity as a significant part of their mission. As conservation “arks” for endangered species and, increasingly, as leaders in field conservation projects…
A dead coral reef in the Caribbean. Coral reefs are extremely vulnerable to climate change and ocean acidification. superqq/Flickr

In Conversation with environment journalist Elizabeth Kolbert

Scientists are coming to the conclusion that we are on the brink of a mass extinction — the sixth known in the history of the Earth, and the latest since an asteroid killed off the dinosaurs 65 million…

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