Deutsche Press-Agentur: Climate change has reduced by 15 per cent the yield of the ‘miracle rice’ which helped avert famine in Asia in the 1960s, the International Rice Research Institute said Friday. A study conducted by the Manila-based institute showed that the yield of the IR8 rice variety, also known as ‘miracle rice,’ had dropped to 7 tons per hectare from yields of 9.5 to 10.5 tons per hectare when it was first introduced. Before the introduction of the new rice in the 1960s, the average global …