Lawn and golf-course grass will be tougher, trees more resistant to drought, or adapted to clean up contaminated soil.

ECONOMIST: Non-food GM

Scotts Miracle-Gro, an American lawn-care firm, recently announced that it is developing genetically engineered strains of grass that are pest-proof and that grow so slowly that they may require no mowing.

ECONOMIST: Genetically modified foods keep on growing

The three-quarter-acre lot has an expansive grass lawn and views of the surrounding hills.

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