Climate Central: The world got a major dose of climate clarity on Tuesday. The U.S., Brazil and China -- three of the world's top greenhouse gas emitters -- all released major commitments to reduce or at least slow their greenhouse gas emissions, protect forests and ramp up their use of renewable energy.
The flurry of activity comes with five months to go until major climate talks in Paris. Those talks are considered critical for a global climate agreement and Tuesday's news indicates a growing level of commitment...