The effectiveness of environmental law as a tool to balance the needs of the environment and the economy, as is required for sustainable development, remains an unmet challenge.
译文:环境保护法作为协调环境和经济需求的工具,对于可持续发展来说已然是必需的,但其效力仍然有着未能应付的挑战。???
不要软件翻译的啊……软件翻译出来超级拗口,都没我自己翻译的好