[mailchimp_signup][/mailchimp_signup]Presenting its latest ‘World Energy Outlook’, the agency says energy-related CO2 emissions in 2010 were the highest in history, with 80% of them from power sector sources that will be hard to reduce in the short term. ‘Our latest estimates are another wake-up call,’ said the IEA’s chief economist Fatih Birol. ‘The world has edged incredibly close to the level of emissions that should not be reached until 2020 if the 2C target it to be attained.’