Exclusive: Excluding unreliable land-use data, 2017 greenhouse emissions were again highest on record
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Rising greenhouse gas pollution comes despite decline in electricity sector emissions. Photograph: Getty Images/Universal Images Group |
Even including land clearing, overall emissions show a continued rising trend, which began in about 2011, putting Australia’s commitment under the Paris agreement further out of reach.
The rising greenhouse gas pollution comes despite continued decline in emissions from the electricity sector, following increased renewable energy generation and the closure of Australia’s dirtiest coal power station, Hazelwood.
NDEVR replicates the federal government’s National Greenhouse Gas Inventory (NGGI) quarterly reports, but releases them months ahead of the official data. Previous NDEVR reports’ figures have been within 1% of the official figures when they are eventually released.
The latest NDEVR figures include the last three months of 2017, allowing a comparison of calendar-year figures since records began in 2002, revealing 2017 had the highest emissions on record, when those from land-use change are excluded.
In 2017, Australia’s total emissions from all sectors excluding land-use change came to 556.11m tonnes of CO2-equivalent greenhouse gases, according to NDEVR’s projections. That surpassed the last record, set in just 2016, by 7.21m tonnes.
Overall emissions including land-use change – which involves activities such as land clearing and forestry – were the highest since 2011, indicating a clear upward trend since that time, reversing years of declining emissions starting in 2007.
Emissions from the electricity sector in the last three months of 2017 were the lowest they’ve been in the data set, going back to 2001. And in the full year, they were the second lowest, pipped only by 2013.
Stationary energy, which includes energy produced for industrial processes such as the growing LNG industry, was also projected to be at the equal highest on record, matching the previous quarter from July to September 2017.
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