World emissions increase, renewables mitigate
An estimated cumulative global total of 420 billion tonnes of CO2 were emitted between 2000 and 2011 due to human activities, including deforestation.
The rise in average global temperature to 2 degrees Celcius 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," says the report released by the European Commission's Joint Research Centre (JRC) and the Netherlands Environmental Assessment Agency (PBL).
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 report 'Trends in global CO2 emissions' says.
Per capita emissions in China reach EU level
In China average emissions of CO2 increased by 9 percent to 7.2 tonnes per capita. China is now within the range of 6 to 19 tonnes per capita emissions of the major industrialized countries. In the European Union, CO2 emissions dropped by 3 percent to 7.5 tonnes per capita.
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 percent.
The United States remain one of the largest emitters of CO2, with 17.3 tonnes per capita, despite a decline due to the recession in 2008-2009, high oil prices and an increased share of natural gas.
The top emitters contributing to the 34 billion tonnes of CO2 emitted globally in 2011 are in percents: China (29), the United States (16), the European Union (11), India (6), the Russian Federation (5) and Japan (4).
Emissions from OECD countries now account for only one third of global CO2 emissions - the same share as that of China and India combined
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