Most of these new varieties are designed to be resistant to pests and diseases, or to be resistant to herbicides, so that farmers can more effectively control weeds while adopting more environment-friendly no-till farming practices and more benign herbicides.

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Those very herbicide-resistant plants, now grown on more than 220 million acres annually worldwide, have spurred the adoption of more environment-friendly herbicides and agricultural practices--changes that have markedly reduced soil erosion, the runoff of agricultural chemicals and carbon dioxide emissions, and increased yields.

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China's State Council, or cabinet, said in February that the country needed to raise the efficiency of logistics and transport, and highlighted the need to streamline such operations while encouraging the use of more environment-friendly vehicles as well as "green" warehouses and business parks.

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Although such genetic engineering is essentially an extension, or refinement, of techniques that have been around for centuries, it has led to less use of chemical pesticides, a drop in pesticide poisoning of farmers and their families, more environment-friendly agronomic practices and greater profits for farmers.

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Steve Case is working in a bipartisan way in Washington to help create a regulatory environment more friendly to entrepreneurs and startups.

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Although the announcement Ken Feinberg, the federal pay czar, has made with respect to limiting bonuses will undoubtedly be politically popular, what steps, if any, is the government considering to keep the top talent from leaving the U.S. financial community and moving to a more friendly regulatory environment -- considering a brain drain, in essence?

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And herbicide tolerance has made possible a shift to more benign herbicides and to environment-friendly no-till farming.

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Maybe only 25 percent of homebuyers prefer these environment-friendly communities to the average suburban home, Logan said, but the supply is more like 1 percent -- leaving a big, profitable niche.

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