Successful efforts to reduce greenhouse gas emissions inevitably will require international agreement. When one considers the battles in this country over issues that are far more straightforward, reaching a worldwide accord on greenhouse gases sounds unlikely.
But it needs to be pursued. The remaining uncertainty over global warming — primarily its longer-term impact — hardly justifies inaction. And common sense says that the longer the world waits to properly address this issue, the harsher the consequences will be.
— The New Castle (Pa.) News