Guardian: Rising greenhouse gas emissions could pass a critical tipping point and trigger runaway global warming within the next 100 months, according to a report today. The estimate from the New Economics Foundation is based on when emissions will reach such high levels that it “is no longer likely” the world will be able to avoid a 2C rise in average temperatures. “We know climate change is a huge problem, but there’s a missing ingredient of urgency,” said Andrew Simms, …