Reuters: Current efforts to limit greenhouse gas emissions will do little to ease damaging climate change, according to a report issued Friday that predicts Greenland’s ice sheets will start melting by 2050. A computer model calculated that if carbon dioxide emissions continue to grow at the current rate over the next 40 years, global temperatures will still rise 2 degrees Centigrade compared with the beginning of the Industrial Revolution. This would push the planet to the brink, …