But opponents say it could have damaging economic effects, especially for coal producing areas.

然而，反对者却认为此举会损害经济效益，尤其是产煤领域的经济效益。

The excess chemicals are known to run off onto increasingly fragile land and seep into watercourses, with damaging environmental and health effects.

众所周知，过量的化学物质会渗入日益脆弱的土地，渗入水道，破坏环境，影响健康。