The world's 10 biggest polluters
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1. China
China is the world's worst polluter nation with the highest overall annual emission of greenhouse gases (6,018 million tonne). However, in terms of per capita emissions it is ranked 44th in the world, emitting 4.5 tonne (per person).
It has a renewable energy target (15 per cent of total energy by 2020) and an energy efficiency target (20 per cent reduction by 2010). China has pledged to cut its carbon intensity goal by 40-45 per cent by 2020.
Meanwhile, Australia has the world's highest per capita carbon dioxide emissions from energy use, according to the Maplecroft's CO2 Energy Emissions Index. An average Australian emitted 20.58 tonne of carbon dioxide a year.
Canada was third, followed by the Netherlands and Saudi Arabia. The list of nations most vulnerable to the effects of climate change was topped by Somalia, followed by Haiti and Afghanistan.
China, India, Brazil and South Africa had rejected a Danish suggestion earlier to set a goal of halving world emissions by 2050, saying that rich nations must first set a model by cutting their emissions.
Click NEXT to find out which are the world's biggest polluting nations. . .Image: World's worst polluting nation is China.
Photographs: Rediff Business Desk
The world's 10 biggest polluters
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The United States is the second worst per capita carbon emitter with for 19.78 tonne of emission per person. America is also ranked the world's second highest polluter with 5,903 million tonns of carbon dioxide emission.
President Barack Obama plans to cut emissions by 17 per cent from 2005 levels by 2020. The world's eyes will be on him when he addresses the Copenhagen summit on climate change next week.
Image: United States is the second worst per capita emitter.
The world's 10 biggest polluters
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Russia is ranked third with 1,704 million tonnes of carbon dioxide emission. Russia is ready to slash its greenhouse gas emissions by as much as 25 per cent, if other countries follow suit.
Image: Russia ranks third among the worst polluters.
The world's 10 biggest polluters
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But with a rising population, the figures are likely to rise further. The government said it is ready to cut the amount of carbon dioxide (CO2) emitted per unit of economic output -- by between 20 and 25 per cent by 2020 from the 2005 levels.
Image: India ranks 4th among worst polluters.
The world's 10 biggest polluters
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Japan comes next in the list with 1,247 million tonne of carbon emission.
However, the greenhouse gas pollution fell by 6.2 per cent in Japan in the last financial year. Japan plans to slash greenhouse gas emissions by 25 per cent from 1990 levels by 2020 if developed countries take significant initiatives.
Image: Japan, world's 5th biggest polluter.
The world's 10 biggest polluters
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Image: Germany is the 6th biggest polluter.
The world's 10 biggest polluters
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Canada which emits 18.81 tonne of carbon per person is the world 7th worst polluter, with an absolute carbon emmission of 614 million tonne.
Canada now plans to reduce emissions by 20 per cent compared with 2006 levels by 2020.
Image: World 7th worst polluter is Canada.
The world's 10 biggest polluters
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8. United Kingdom
The Uniited Kingdom's emission stands at 586 million tonnes of carbon dioxide emission. The European union agreed to cut emissions by 20 per cent to 2020, compared with 1990 levels.
According to the government records, emission have dropped in the UK.
Image: UK is the 8th biggest polluter.
The world's 10 biggest polluters
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Image: South Korea is ranked 9th.
The world's 10 biggest polluters
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Iran has 471 million tonnes of carbon dioxide emission. Iran is worst hit by air and water pollution. The Caspian sea is highly polluted posing a grave threat to marine life and the ecology.
Image: Iran is the 10th biggest polluter.
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