Milk cow blues: dirty dairy costs NZ dear, but methane cuts might work

by Gareth April 29, 2015

There’s good news and bad news for New Zealand’s dairy industry this week. On the one hand, research has found a number of compounds that can cut methane emissions from ruminants (cows and sheep) by up to 90% by reducing populations of the bacteria that produce the gas. On the other hand, research into the […]

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TDB Today: Dragon breath and the age of consequences

by Gareth August 13, 2014

In my column at The Daily Blog this week — Dragon breath and the Age Of Consequences — I take a look at the latest news on Arctic methane. It’s not good, as Jason Box demonstrated by not mincing his words about the seriousness of the threat. For an idea of the consequences, I strongly […]

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Arctic sea ice time bomb ticking: the bang’s gonna be huge

by Gareth July 24, 2013

Reading this press release about a new paper in Palaeogeography, Palaeoclimatology, Palaeoecology spoiled my day. It might not be obvious to a casual reader just glancing through the morning news — but a couple of paragraphs leapt out at me: Atmospheric carbon dioxide concentrations recently reached 400 parts per million for the first time since […]

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The Climate Show #29: if the sun don’t come, you get a tan from standing in the English rain

by Gareth October 11, 2012

This week The Climate Show brings you an all news special. We have wet summers for Europe, permafrost warming delivering a methane kick, La Niña driving floods that make sea level fall, a glacier calving in Antarctica, mammoths and sabre tooth tigers — all delivered with Glenn and Gareth’s inimitable panache (!). Watch The Climate […]

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Why Arctic sea ice shouldn’t leave anyone cold

by Gareth August 26, 2012

In this guest post Neven Acropolis, the man behind the excellent Arctic Sea Ice blog, looks at the reasons why we need to pay attention to the rapid loss of sea ice in the Arctic Ocean. Arctic sea ice became a recurrent feature on planet Earth around 47 million years ago. Since the start of […]

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The Climate Show #27: Aussie hockeysticks, cherry pies and electric planes

by Gareth May 27, 2012

It’s a first! Glenn, Gareth and John manage to record a show that clocks in at under an hour — but it’s still packed with interesting stuff. We’ve got news about a new Australasian hockey stick — a paleoclimate reconstruction that demonstrates that the last three decades are the warmest in the last 1,000 years, […]

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The Climate Show #23: Durban and the return of the electric car

by Gareth December 21, 2011

Grab some holly, deck your halls, heat up some mince pies, and then settle down to the last Climate Show of 2011. We look at the outcome of the Durban conference, discuss heavy rain in New Zealand and record-breaking weather extremes in the USA, and ponder the implications of news of more methane erupting from […]

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Stating the pleading obvious (big dairy and the ETS review)

by Mr February October 1, 2011

A commenter or two has started to hit back at the NZ Emissions Trading Scheme Review 2011 and the New Zealand Herald editorial Farmers must share burden on emissions for saying that there should be no further delay of the 2015 date when agricultural emissions will enter the New Zealand Emissions Trading Scheme (NZ ETS). […]

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The gas don’t work

by Bryan Walker June 27, 2011

“L&M Energy Limited is pleased to announce that it has identified five areas of interest in the South Island of New Zealand that hold significant shale gas potential analogous to some of the most productive shale acreage in the USA.” This statement headed a press release from L&M Energy on Friday. I first heard the […]

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Wake Up, Freak Out – then Get a Grip

by Gareth December 18, 2010

Excellent animation by Leo Murray explaining climate system feedbacks and the potential for us to pass “tipping points” that could make our efforts to reduce emissions completely redundant. More information (including script and references) at Hat-tip to Peter “Crock of the Week” Sinclair for finding it…

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