Agricultural landscapes can accomplish this while improving food and fiber production and minimizing the need for artificial fertilizer and fossil-fuel-driven tilling and raising farmer incomes.

UNESCO: Climate change

This has a big impact on improving fuel economy without inducing an artificial feel.

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Aside from the obvious fact that any such tax would be passed along to consumers in the form of even higher fuel costs, such an artificial increase to the operating costs of every personal, business and construction vehicle used in the country would have a chilling effect on our fragile economic recovery.

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Dr Venter maintains that artificial life forms could produce solutions to global problems such as green sources of fuel and climate change.

BBC: NEWS | Science/Nature | Patent sought on 'synthetic life'