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October 2018
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Tuesday, 09 October 2018 11:00

We have 12 years to limit climate change catastrophe, warns UN

We have 12 years to limit climate change catastrophe, warns UN

Limiting global warming to 1.5°C would require rapid, far-reaching and unprecedented changes in all aspects of society, in particular transitions in land, energy, industry, buildings, transport, and cities, the Intergovernmental Panel on Climate Change (IPCC) said on Monday, Caspian Energy News (www.caspianenergy.net) reports with reference to the press release of the Intergovernmental Panel on Climate Change (IPCC).

The Special Report on Global Warming of 1.5°C was approved by the IPCC on Saturday in Incheon, Republic of Korea.

The report finds that global net human-caused emissions of carbon dioxide (CO2) would need to fall by about 45 percent from 2010 levels by 2030, reaching 'net zero' around 2050. This means that any remaining emissions would need to be balanced by removing CO2 from the air. Allowing the global temperature to temporarily exceed or 'overshoot' 1.5°C would mean a greater reliance on techniques that remove CO2 from the air to return global temperature to below 1.5°C by 2100. The effectiveness of such techniques is unproven at large scale and some may carry significant risks for sustainable development, the report says.

The United Nations special climate report suggests a tax on carbon dioxide emissions would need to be as high as $27,000 per ton at the end of the century to effectively limit global warming.

The IPCC’s report is meant to galvanize political support for doubling down on the Paris climate accord ahead of a U.N. climate summit scheduled for December. The report calls for societal changes that are “unprecedented in terms of scale” in order to limit future global warming to below 1.5 degrees Celsius, the stretch goal of the Paris accord.

In order to effectively keep future warming below 1.5 degrees Celsius, the IPCC says carbon taxes would need to range from $135 to $5,500 per ton in 2030, $245 to $13,000 per ton in 2050, $420 to $17,000 per ton in 2070 and $690 to $27,000 per ton in 2100.

To meet the goals of the Paris accord, which seeks to limit future warming to below 2 degrees Celsius, the IPCC says carbon taxes would have range between $10 and $200 in 2030 and $160 and $2,125 in 2100.

 “While the price of carbon is central to prompt mitigation pathways compatible with 1.5 [degree Celsius]-consistent pathways, a complementary mix of stringent policies is required,” reads the IPCC’s report.

“The decisions we make today are critical in ensuring a safe and sustainable world for everyone, both now and in the future”, said Debra Roberts, Co-Chair of IPCC Working Group II. “This report gives policymakers and practitioners the information they need to make decisions that tackle climate change while considering local context and people's needs. The next few years are probably the most important in our history,” she said.

More details: https://www.un.org/sustainabledevelopment/blog/2018/10/special-climate-report-1-5oc-is-possible-but-requires-unprecedented-and-urgent-action/

http://ipcc.ch/news_and_events/pr_181008_P48_spm.shtml

Person in charge of the newsline: Olga Nagiyeva 

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