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Global carbon dioxide emissions continue to increase in 2011

21st February 2013


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Global emissions of carbon dioxide (CO2) – the main cause of global warming – increased by 3 per cent last year, reaching an all-time high of 34 billion tonnes in 2011.

In China, the world’s most populous country, average emissions of CO2 increased by 9 per cent to 7.2 tonnes per capita. China is now within the range of 6 to 19 tonnes per capita emissions of the major industrialised countries.

In the European Union, CO2 emissions dropped by 3 per cent to 7.5 tonnes per capita. The United States remain one of the largest emitters of CO2, with 17.3 tones per capita, despite a decline due to the recession in 2008-2009, high oil prices and an increased share of natural gas.

These are the main findings of the annual report ‘Trends in global CO2 emissions’, released today by the European Commission’s Joint Research Centre (JRC) and the Netherlands Environmental Assessment Agency (PBL).

 
Based on recent results from the Emissions Database for Global Atmospheric Research (EDGAR) and latest statistics on energy use and relevant activities such as gas flaring and cement production, the report shows that global CO2 emissions continued to grow in 2011, despite reductions in OECD countries. Weak economic conditions, a mild winter, and energy savings stimulated by high oil prices led to a decrease of 3 per cent in CO2 emissions in the European Union and of 2 per cent in both the United States and Japan.

Emissions from OECD countries now account for only one third of global CO2 emissions – the same share as that of China and India combined, where emissions increased by 9 per cent and 6 per cent respectively in 2011. Economic growth in China led to significant increases in fossil fuel consumption driven by construction and infrastructure expansion. The growth in cement and steel production caused China’s domestic coal consumption to increase by 9.7 per cent.
 
The 3 per cent increase in global CO2 emissions in 2011 is above the past decade's average annual increase of 2.7 per cent, with a decrease in 2008 and a surge of 5 per cent in 2010.

The top emitters contributing to the 34 billion tonnes of CO2 emitted globally in 2011 are: China (29 per cent), the United States (16%), the European Union (1129 per cent), India (629 per cent), the Russian Federation (529 per cent) and Japan (429 per cent).

 
Cumulative CO2 emissions call for action
 

An estimated cumulative global total of 420 billion tonnes of CO2 were emitted between 2000 and 2011 due to human activities, including deforestation. Scientific literature suggests that limiting the rise in average global temperature to 2°C above pre-industrial levels – the target internationally adopted in UN climate negotiations – is possible only if cumulative CO2 emissions in the period 2000–2050 do not exceed 1 000 to 1 500 billion tonnes. If the current global trend of increasing CO2 emissions continues, cumulative emissions will surpass this limit within the next two decades.   
 
Fortunately, this trend is being mitigated by the expansion of renewable energy supplies, especially solar and wind energy and biofuels. The global share of these so-called modern renewables, which exclude hydropower, is growing at an accelerated speed and quadrupled from 1992 to 2011. This potentially represents about 0.8 billion tonnes of CO2 emissions avoided as a result of using renewable energy supplies in 2011, which is close to Germany's total CO2 emissions in 2011.
 
The graphic below shows CO2 per capita emissions from fossil fuel use and cement production from the top 5 emitting regions. The Annex I range given by the two dashed lines demarcates the highest (Australia) and lowest (France) per capita emissions from major industrialised countries. 


The Kyoto Protocol: Annex I Parties
 
The industrialised countries listed in this annex to the Convention committed to return their greenhouse-gas emissions to 1990 levels by the year 2000. They have also accepted emissions targets for the period 2008-12. They include the 24 original OECD members, the European Union, and 14 countries with economies in transition.
 
Trends in global CO2 emissions report: http://edgar.jrc.ec.europa.eu/CO2REPORT2012.pdf

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