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  • Associated Press Plumes of smoke rise from Europe's largest lignite power plant in Belchatow, central Poland. Carbon dioxide emissions jumped 2.7% in 2017.

Thursday, December 06, 2018 1:00 am

'Terrible news': Global CO2 emissions surge

Associated Press

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WASHINGTON – After several years of little growth, global emissions of heat-trapping carbon dioxide experienced their largest jump in seven years, discouraging scientists.

World carbon dioxide emissions are estimated to have risen 2.7 percent from 2017 to 2018, according to three studies released Wednesday from the Global Carbon Project, an international scientific collaboration that tracks greenhouse gas emissions. The calculations, announced during negotiations to put the 2015 Paris climate accord into effect, puts some of the landmark agreement's goals nearly out of reach, scientists said.

“This is terrible news,” said Andrew Jones, co-director of Climate Interactive, which models greenhouse gas emissions and temperatures. “Every year that we delay serious climate action, the Paris goals become more difficult to meet.”

The studies concluded that this year the world would spew 40.9 billion tons of carbon dioxide, up from 39.8 billion tons last year. The margin of error is about one percentage point.

The Global Carbon Project uses government and industry reports to come up with final emission figures for 2017 and projections for 2018 based on the four biggest polluters: China, the United States, India and the European Union.

The U.S., which had been steadily decreasing its carbon pollution, showed a significant rise in emissions – up 2.5 percent – for the first time since 2013. China, the globe's biggest carbon emitter, saw its largest increase since 2011: 4.6 percent.

Study lead author Corinne Le Quere, a climate change researcher at the University of East Anglia in England, said the increase is a surprising “reality check” after a few years of smaller emission increases. But she also doesn't think the world will return to the even larger increases seen from 2003 to 2008. She believes unusual factors are at play this year.

For the U.S., it was a combination of a hot summer and cold winter that required more electricity use for heating and cooling. For China, it was an economic stimulus that pushed coal-powered manufacturing, Le Quere said.

John Reilly, co-director of MIT's Joint Program on the Science and Policy of Global Change, said the results aren't too surprising because fossil fuels still account for 81 percent of the world's energy use. The burning of coal, oil and gas release carbon dioxide, which warms the Earth . Reilly, who wasn't part of the study, praised it as impressive.

The Paris accord set two goals. The long-held goal would limit global warming to no more than 1.8 degrees from now, with a more ambitious goal of limiting warming to 0.9 degrees from now.

Use of coal – the biggest carbon emitter – is rising. And while countries are using more renewable fuels and trying to reduce carbon from electricity production, emissions from cars and planes are steadily increasing, Le Quere said.