Significant climate change may not be inevitable if governments take swift and decisive action now to reduce greenhouse gases, according to a report released Tuesday that rolls back some of the bleaker and more pessimistic assessments of recent climate negotiations. The report , prepared for the United Nations by experts from leading research institutes from 15 countries, challenges the idea that the world can’t avoid breaching a 2 degrees Celsius rise in global average temperature — many climate scientists have warned that an increase of 3 to 4 C is now inevitable. Moreover, they suggest defeatism on the 2 C limit target would contribute to dithering by heavily industrialized countries most responsible for climate change — the United States, China, India, major European economies and rising economic powers like Brazil and South Africa. “We do not subscribe to the view held by some that the 2 C limit is […]