Star-Ledger: For the first time in history, every major country except for India has announced new plans to curb carbon emissions, in an effort to fight climate change. This includes China and the United States, the world's two filthiest polluters. It's inspiring to see so many governments, rich and poor, chip in. But before we start throwing around words like "ambitious," it's important to remember: Even with these plans, we're still nowhere near where we should be. With the pledges offered so far what amounts...