Tough Climate Goals Cost $45 Trillion By 2050-IEA

- A goal to halve planet-warming carbon emissions by 2050, similar to an aim Japan is urging G8 leaders to agree next month, would add $45 trillion to global energy bills, the International Energy Agency said on Tuesday. "It's a lot of money," IEA analyst Peter Taylor told a meeting on the fringes of a climate conference in Germany, previewing the agency's Energy Technology Perspectives report to be published in Japan on Friday. "It implies a completely different energy system," he said.