| The cost of sending a ton of greenhouse gas emissions into the air isn’t what it used to be, at least not in the handful of markets that are putting a price on climate change. Similar to California’s weak May auction for carbon credits, the world’s two other greenhouse gas cap-and-trade markets are notching falling prices this year.
One in Europe is still adjusting to a glut of emission allowances it handed out before the recent recession drove down energy use. The other, a collection of nine states in the northeast called the Regional Greenhouse Gas Initiative, is recording low prices while energy producers await a Supreme Court decision that could shape its future...............................................Full Article: Source
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