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Expert Reactions

Why NZ’s glaciers had unusual growth – Expert Reaction

Sarah-Jane O'Connor posted in on February 15th, 2017.

An unusual period where some of New Zealand’s glaciers grew bigger, despite a trend of shrinking glaciers worldwide, was due to a series of unusually cold years, according to new research. At least 58 New Zealand glaciers advanced between 1983 and 2008, with Franz Josef Glacier advancing almost continuously during this time. It has been […]

In the face of the mind-boggling peril of climate change, feel the despair, then work harder – James Renwick

Sarah-Jane O'Connor posted in on January 11th, 2017.

With the, somewhat signposted, news that 2016 was the warmest year on record globally, and the warmest in New Zealand since modern records began in 1909, Professor James Renwick writes that we need to channel energy into urgent action. An excerpt (read in full): The past year also saw two milestones: the atmospheric concentration of […]

2016 another scorcher year – Expert Reaction

Sarah-Jane O'Connor posted in on January 9th, 2017.

2016 was the hottest year in New Zealand in over a century, surpassing the previous warmest year on record, 1998. Niwa released its annual climate summary today, which showed 2016 was the warmest year on record based on the seven-station series which began in 1909. The full annual climate summary is available on Niwa’s website. […]

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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What might Trump mean for science? – In the News

Sarah-Jane O'Connor posted in on November 10th, 2016.

As the world responds to a Trump presidency – experts are already turning their thoughts to what that could mean for science, especially health and climate change. During his campaign, Donald Trump said he would repeal President Obama’s Affordable Care Act and reinforced his stance as a climate sceptic. The Washington Post reported that the […]

Carbon hide and seek? – In the News

Sarah-Jane O'Connor posted in on November 3rd, 2016.

A new report from the Morgan Foundation says the Government will change forestry accounting rules to meet the 2030 climate change target. The report claims that a covert plan will allow an estimated 79 million tonnes of excess greenhouse gas emissions, equating to near a year’s worth of emissions being wiped off the books. The […]

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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 […]

International agreement to curb greenhouse gases – In the News

Sarah-Jane O'Connor posted in on October 17th, 2016.

Dignitaries meeting in Kigali have pledged to phase-out the use of harmful greenhouse gases commonly used in refrigeration and air conditioning. Nearly 200 countries struck a deal to amend the Montreal Protocol to address hydrofluorocarbons (HFCs), predicting the reduced emissions could prevent up to 0.5 degrees Celsius of global warming. The Montreal Protocol was agreed […]

The clock is ticking on our carbon budget – Jonathan Boston

Sarah-Jane O'Connor posted in on October 11th, 2016.

Now that the Government has ratified the Paris Agreement, the clock is ticking on action to reduce our greenhouse gas emissions, writes Victoria University Professor of Public Policy Jonathan Boston on stuff.co.nz. An excerpt (read in full): Imagine allocating the remaining global carbon budget of about 260 billion tonnes on a per capita basis. New […]

NZ ratifies Paris Agreement – In the News

Sarah-Jane O'Connor posted in on October 6th, 2016.

New Zealand became the 63rd country to ratify the Paris Agreement – getting in ahead of the European Union and within the first 55 per cent of countries required to meet the threshold to bring the agreement into force. New Zealand has pledged to reduce emissions to 30 per cent below 2005 levels by 2030. […]

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