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UNCTAD chief urges moving away from burning fossil fuels

Climate change means that all countries must, as a matter of strategic urgency, move away from burning fossil fuels, including shale gas, UNCTAD Secretary-General Mukhisa Kituyi said.

“But given that energy is needed to end poverty and boost development, countries with potential shale gas resources should understand the pros and cons when they take policy decisions about the short-term energy mix.”

A new UNCTAD report on shale gas aims to “offer a dispassionate perspective” on shale gas and hydraulic fracturing for policymakers and other stakeholders," he said.

Hydraulic fracturing, also known as “fracking”, the divisive method of extracting natural gas from shale formations, should be approached with caution by countries seeking ways to increase access to energy, says the report.

The report reviews the history of shale gas extraction in the United States and other national examples to assess how it aligns with commitments to the Paris Agreement on climate change in the context of pressing energy needs.

The report says investments in the shale gas sector should not be made at the expense of the deployment of renewable energies and energy efficiency strategies, and that gaps in local geological and hydrological knowledge, the lack of a “social license to operate” as well as inadequate regulatory environments may constitute major obstacles to the use of hydraulic fracturing as a method of extracting shale gas.

“Natural gas should contribute to fostering a smooth transition from the current economic model, mainly based on fossil fuels, to achieving a low-carbon economy, with the objective of meeting the Sustainable Development Goal 7 by 2030,” the report says.

Goal 7 calls for access to affordable, reliable, sustainable and modern energy for all.

The report says that natural gas, including shale gas, offers both advantages and disadvantages as a so-called “bridge” fuel between large carbon dioxide (CO2) contributors like coal and oil, and renewable energy sources.

Among the advantages are that natural gas emits about 40% less CO2 per unit of energy produced than coal – a point on which most experts agree – and that it can be stored and used on demand to meet variable energy needs more efficiently than energy generated from renewable sources such as wind.

However, the disadvantages include that natural gas remains a fossil fuel that emits harmful CO2 when burned. Besides, while the main component of natural gas, methane (CH4), has a shorter atmospheric lifespan than CO2, its global warming potential is 28 times higher than that of CO2 on a 100-year time horizon.

In 2016, methane atmospheric concentration reached a record high of 1,853 parts per million – about 257% of its pre-industrial level – according to the World Meteorological Organization.

“Concern has been expressed with regard to the large quantities of water used by hydraulic fracturing, as well as the potential risks generated by shale gas operations, on the quality of such resources through groundwater or surface water contamination,” the report says.

According to the United States Energy Information Administration, world Technically Recoverable Resources (TRR) for shale gas were around 215 trillion cubic meters in 2015, equivalent to about 60 years’ worth of world consumption.

About half of these resources are located in Algeria, Argentina, Canada, China and the United States.

The United States remained the leading shale gas producing country in 2015 with 87% of the world total, and has become a net-exporter of natural gas starting from July 2017.

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