+for Our organization is lobbying for tougher laws to control toxic waste. 我们的组织正在对掌权者进行游说，争取制定更强硬的法律来控制有害垃圾。

lobby sb to do sth Motorists lobbied the government to take action on petrol prices. 汽车驾驶员们劝说政府采取行动控制油价。