Not surprisingly, the President of the Natural Resources Defense Council, an admired environmental group, recently remarked that “fracking is about the most complicated thing I have encountered.” More research on the environmental risks and benefits of shale energy, and the development of new standards and regulations to control these risks are required.
毫不奇怪，广受尊敬的环境团体——自然资源保护委员会（Natural Resources Defense Council）主席最近评论说，“致裂法是我所见过的最复杂的东西。”我们需要更进一步地研究页岩能源的环境风险和收益，并开发新标准和监管以控制这些风险。