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A China Resources New Energy Group Co technician at a wind turbine. China earns more than €44 billion from clean technologies, or 1.4 per cent of its gross domestic product. Image Credit: Bloomberg

Amsterdam: Denmark earns the biggest share of its national revenue from producing windmills and other clean technologies, the United States is rapidly expanding its clean-tech sector, but no country can match China's pace of growth, according to a new report obtained by The Associated Press.

China's production of green technologies has grown by a remarkable 77 per cent a year, according to the report, which was commissioned by the World Wildlife Fund for Nature and which will be unveiled today at an industry conference in Amsterdam.

"The Chinese have made, on the political level, a conscious decision to capture this market and to develop this market aggressively," said Donald Pols, an economist with the WWF.

Denmark, a longtime leader in wind energy, derives 3.1 per cent of its gross domestic product from renewable energy technology and energy efficiency, or about €6.5 billion (Dh34.50 billion), the report said.

China is the largest producer in money terms, earning more than €44 billion, or 1.4 per cent of its gross domestic product.

The US ranks 17th in the production of clean technologies with 0.3 per cent of GDP, or €31.5 billion, but those industries have been expanding at a rate of 28 per cent per year since 2008.

"The US is growing substantially, so it seems the policy of [President Barack] Obama is working," Pols said. But the US cannot compare with China, he said.

"When you speak to the Chinese, climate change is not an ideological issue. It's just a fact of life. While we debate climate change and the transition to a low carbon economy, the debate is passed in China," Pols said. "For them it's implementation. It's a growth sector, and they want to capture this sector."

The report was prepared by Roland Berger Strategy Consultants, a global firm based in Germany. It gathered data on 38 countries from energy associations, bank and brokerage reports, investor presentations, the International Energy Agency and a score of other sources. It measured the earnings from producing renewables like biofuels, wind turbines and thermal equipment, and energy efficiency technology such as low-energy lighting and insulation.

"Clean technologies are really growing fast, but China is responsible for the majority of that growth," said Ward van den Berg, who compiled and analysed the data for the consultancy firm.