我们曾得到许诺，转基因作物将带来第二次绿rn色革命：大量改良的作物将为饥饿者提供粮rn食，为农民创造利润，并且还能创建一个更为rn绿色的环境。从很多方面来说，这场革命已经rn到来，但也带来了问题和失望。在本期特刊rn上，Nature介绍过去三十年转基因生物(GMO)rn技术的发展情况，并对有可能形成下一代rnGMO之基础的“绿芽”进行分析。%Foreign genes were successfully introduced into plants for the first time 30 years ago (see page 40). Ever since, genetically modified (GM) crops have promised to deliver a second green revolution: a wealth of enhanced foods, fuels and fibres that would feed the starving, deliver profits to farmers and promote a greener environment. In many ways, that revolution has arrived. Crops engineered to carry useful traits now grow on 170 million hectares in at least 28 countries (see page 22). But to many, GM crops have been a failure. The market is dominated by just a few insect-resistant and herbicide-tolerant crops. The environmental benefits are disputed, and activists question the safety of GM foods. Politicized and polarized, the war of words that surrounds GM crops ignores the complex truths. In this special issue, Nature explores the messy middle ground. A News Feature weighs the evidence behind some of the most controversial claims about the effects of GM crops (see page 24).
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机译：我们曾得到许诺，转基因作物将带来第二次绿rn色革命：大量改良的作物将为饥饿者提供粮rn食，为农民创造利润，并且还能创建一个更为rn绿色的环境。从很多方面来说，这场革命已经rn到来，但也带来了问题和失望。在本期特刊rn上，Nature介绍过去三十年转基因生物(GMO)rn技术的发展情况，并对有可能形成下一代rnGMO之基础的“绿芽”进行分析。%Foreign genes were successfully introduced into plants for the first time 30 years ago (see page 40). Ever since, genetically modified (GM) crops have promised to deliver a second green revolution: a wealth of enhanced foods, fuels and fibres that would feed the starving, deliver profits to farmers and promote a greener environment. In many ways, that revolution has arrived. Crops engineered to carry useful traits now grow on 170 million hectares in at least 28 countries (see page 22). But to many, GM crops have been a failure. The market is dominated by just a few insect-resistant and herbicide-tolerant crops. The environmental benefits are disputed, and activists question the safety of GM foods. Politicized and polarized, the war of words that surrounds GM crops ignores the complex truths. In this special issue, Nature explores the messy middle ground. A News Feature weighs the evidence behind some of the most controversial claims about the effects of GM crops (see page 24).
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