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Reflections On Science

Farmers advocate takes wrong message from climate reports – Andy Reisinger

Sarah-Jane O'Connor posted in on August 24th, 2017.

Deputy Director of the New Zealand Agricultural Greenhouse Gas Research Centre Dr Andy Reisinger offers a rebuttal in the NZ Herald to a column published on Tuesday. An excerpt (read in full): As a climate scientist, I strongly rebut Tuesday’s opinion piece by Robin Grieve who claimed he was relating facts from the Motu Research […]

Methane emissions from burning fossil fuels higher than expected – In the News

Sarah-Jane O'Connor posted in on August 24th, 2017.

Researchers looking at air trapped within Antarctic ice have found humans are putting more methane into the atmosphere through fossil fuel emissions than previously thought. Using ice cores from Antarctica’s Taylor Glacier, an international team of researchers – including New Zealand and Australian scientists – measured natural rates of methane in the atmosphere over the […]

Meat the future – Ralph Sims

Sarah-Jane O'Connor posted in on November 24th, 2016.

By mid-century, it’s estimated the world’s population will exceed 9 billion and they’ll need to be fed, writes Massey University’s Professor Ralph Sims. An excerpt (read in full): Unfortunately, methane emissions from the digestion processes of cattle, sheep and deer and nitrous oxide emissions from animal urine and fertilisers are proving challenging to reduce. We […]

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No ‘silver bullet’ for agricultural emissions – In the News

Sarah-Jane O'Connor posted in on October 20th, 2016.

The Parliamentary Commissioner for the Environment Dr Jan Wright released her latest report on Wednesday, this time turning her attention to the issue of agricultural greenhouse gases. Methane and nitrous oxide – dubbed the biological greenhouse gases – make up about half New Zealand’s total emissions, Dr Wright said. If New Zealand had a chance […]

Environment Commissioner reports on agricultural greenhouse gases – Expert Reaction

Sarah-Jane O'Connor posted in on October 19th, 2016.

A new report from the Parliamentary Commissioner for the Environment, Jan Wright, has called for New Zealanders to work together to tackle the “complex problem of the biological greenhouse gases from agriculture”. Methane and nitrous oxide form about half of New Zealand’s greenhouse gas emissions, but there have been many false starts in dealing with […]

New tools needed to cut agricultural emissions – Expert reaction

John Kerr posted in on May 19th, 2016.

One billion tonnes. That’s how much the global agricultural industry needs to cut its emissions per year by 2030 to achieve the goals set at COP21 in Paris, according to a new study. An international team of scientists – including a New Zealander – calculated the required emissions cuts based on the goal of keeping […]

Agriculture culprit behind methane rise – In the News

John Kerr posted in on March 11th, 2016.

Increases in agriculture are the likely cause of a global rise in methane emissions over the last decade, according to New Zealand research published today in the journal Science. The concentration of greenhouse gas methane in the atmosphere rose steadily over the last century, before flattening out in the late 90’s.Then in 2006 methane levels […]

Methane inhibitors could lead to lower agricultural emissions

John Kerr posted in on April 29th, 2015.

New Zealand researchers have identified several compounds which show promise in reducing methane emissions from cows and sheep. Methane emissions from agriculture are the largest contributor to New Zealand’s greenhouse gas emissions, accounting for about one third of our total emissions. This week researchers at the New Zealand Agricultural Greenhouse Gas Mitigation Conference announced that […]

Mine CCTV footage – what it may tell us

Peter Griffin posted in on November 24th, 2010.

CCTV video footage taken from a camera at the entrance to the Pike River mine was released last night and shows the impact of the pressure wave that resulted from the explosion deep within the mine. The 52-second piece of footage can be viewed on most news websites including TV3 and Stuff. The Science Media […]

Coverage of the Pike River mine explosion

Peter Griffin posted in on November 22nd, 2010.

On Friday evening, the Pike River mine outside the South Island town of Greymouth experienced an explosion which trapped 29 miners below the surface. The explosion looks to have been due to a methane gas buildup, making rescue attempts difficult, both for fear of setting off a second explosion, and due to potentially high levels […]

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