Tagged: acidification

The Sixth Extinction - Hot Topic

Bryan Walker Jun 16, 2014

Elizabeth Kolbert’s recent book The Sixth Extinction: An Unnatural History is science journalism of a high order. As with her earlier notable book on climate change, Field Notes from a Catastrophe, she includes lively narrative accounts of her visits to places around the world where scientists are at work and communicates the import of their […] … Read More

While they sleepwalk in Warsaw: icebergs calve, emissions climb, “pause” disappears - Hot Topic

Gareth Renowden Nov 20, 2013

Warsaw has seen a deluge of important climate-related information released — so much that it’s been difficult to keep up — but still not enough to steel negotiators to reach an equitable arrangement that gives us all a chance at a reasonable future climate. And at the same time, the planet has been sending signals […] … Read More

Ice, Mice and Men - Hot Topic

Bryan Walker Aug 21, 2012

Geoff Simmons and Gareth Morgan, with help from John McCrystal, have produced a book which one hopes will be read by many New Zealanders.  Ice, Mice and Men: The Issues Facing our Far South not only carries illuminating scientific information about the islands and seas to our south and the Antarctic continent beyond them, but [...] … Read More

Earle: everything in the oceans at risk - Hot Topic

Bryan Walker Mar 19, 2011

“We are committed to developing deepwater energy supplies offshore.” Those blunt words from the US Administration were put to oceanographer Sylvia Earle by Stephen Sackur late in a captivating BBC Hardtalk interview I watched a few days ago. What chance, he asked, did her message about the plight of the oceans stand in the face [...] … Read More

The Climate Show #9: Barry Brook, hot spots and melting ice - Hot Topic

Gareth Renowden Mar 18, 2011

With the terrible events in Japan uppermost in everyone’s mind, this week’s Climate Show goes nuclear, examining the prospects for the future of nuclear energy with Professor Barry Brook from the University of Adelaide. John Cook looks at what the tropical troposphere hot spot really means, and Gareth and Glenn look at mass loss from [...] … Read More

The cost of losing coral: no drop in the ocean - Hot Topic

Bryan Walker Oct 21, 2009

Perhaps it will register if it’s expressed in money terms. The latest issue of the New Scientist carries an article reporting an estimate of  the loss of the world’s coral reefs at $172 billion per year. The estimate comes from the work of Pavan Sukhdev and colleagues. He’s an economist with the United Nations Environment [...] … Read More

A solemn warning on coral reefs - Hot Topic

Bryan Walker Aug 29, 2009

Australian scientist and coral reef expert John Veron reckons there’s a “great big gorilla in the cupboard” — advancing ocean acidification. It cleans out reefs, leaving them “horrible places – dead, empty, slime-covered.” He paints this grim picture in a lecture given to the Royal Society in London last month. It’s available on line and [...] … Read More