Tagged: Climate

Nose evolution shaped by climate - Guest Work

John Kerr Mar 17, 2017

Your nose looks the way it does thanks, in part, to the climate where your ancient ancestors lived, finds new research. The new study, published today in PLOS Genetics, explores the evolutionary history of the nose, focusing on one specific question: “Has climate adaptation played an important role in influencing variation in human nose shape?” The human nose conditions the temperature and … Read More

Meet El Niño’s cranky uncle that could send global warming into hyperdrive - Guest Work

Guest Work Feb 07, 2017

By Ben Henley, University of Melbourne; Andrew King, University of Melbourne; Chris Folland, Met Office Hadley Centre; David Karoly, University of Melbourne; Jaci Brown, CSIRO, and Mandy Freund, University of Melbourne You’ve probably heard about El Niño, the climate system that brings dry and often hotter weather … Read More

Ice ages have been linked to the Earth’s wobbly orbit – but when is the next one? - Guest Work

Guest Work Dec 10, 2016

By Mark Maslin, UCL Over the last two and a half million years the Earth has undergone more than 50 major ice ages, each having a profound effect on our planet’s climate. But what causes them and how do we predict when the next big ice age will hit? About 40 years ago, scientists realised that ice ages … Read More

What wind, currents and geography tell us about how people first settled Oceania - Guest Work

Guest Work Oct 27, 2016

By Alvaro Montenegro, The Ohio State University Just look at a map of Remote Oceania – the region of the Pacific that contains Hawaii, New Zealand, Samoa, French Polynesia and Micronesia – and it’s hard not to wonder how people originally settled on these islands. They’re mostly small and located many hundreds to thousands of kilometers away from any … Read More

What are we waiting for? the fantasy of carbon neutral growth of aviation emissions - Hot Topic

Guest Work Sep 30, 2016

In this guest post, the ‘stop flying’ Wellington lawyer Tom Bennion writes about the International Civil Aviation Organization (ICAO) proposals for ‘carbon-neutral’ growth of greenhouse gas emissions from the fast-growing aviation industry. New Zealand parents often tell their children not to eat too many sweets. Our primary schools spend a lot of time talking about suitable … Read More

Note to the Havelock North Inquiry – Think Big - Public Health Expert

Public Health Expert Sep 26, 2016

Prof Alistair Woodward, A/Prof Simon Hales An Independent Inquiry is now investigating the cause of the water-borne outbreak caused by Campylobacter in Havelock North. In this blog we consider the background to this issue and argue the Inquiry must not miss the opportunity to think up-stream, on the scale of water catchments, agricultural economies and climate systems. “Alarming new … Read More

Environment NZ’s weak point for UN goals - News

John Kerr Jul 22, 2016

New Zealand gets a few ‘Fs’ in a new report card examining how we are doing on the United Nation’s Sustainable Development Goals. In September last year New Zealand, along with 192 other countries, signed up to the goals, which described by the UN as “a bold and ambitious global plan to end poverty, address inequalities and tackle climate change.” There are … Read More

Past, present, future: how human evolution and climate are linked - Guest Work

Guest Work Jun 07, 2016

By Andrew Glikson, Australian National University Over the past year, carbon dioxide (CO₂) levels in the atmosphere have risen faster than any period in the past 55 million years. That’s the finding of my study published in Global Change Biology. From April 2015 to April 2016, CO₂ levels rose by 4.6 parts per million (ppm), reaching a … Read More

Antarctic glacier’s unstable past reveals danger of future melting - Guest Work

Guest Work May 19, 2016

By Alan Aitken, University of Western Australia New mapping of one of the most remote areas in Antarctica has revealed regions deep within Earth’s largest ice sheet that are particularly prone to rapid melting. Our study, published today in Nature, is focused on East Antarctica’s Totten Glacier, the outlet for the world’s largest ice catchment. The results … Read More

Climate justice and its role in the Paris Agreement - Guest Work

Guest Work Apr 22, 2016

By Anika Molesworth, Deakin University Climate change is one of the principal threats to quality – and equality – of life on our planet. Beyond environmental problems, climate change threatens food security, water availability, health, housing and self-determination. In essence, it confronts our basic liberties and pursuit of happiness. But the burden of climate change impacts is … Read More