More than half of the gas present in the two Baltic Sea pipelines struck by unexplained blasts earlier this week has now escaped, the Danish Energy Agency said on Wednesday. The two pipelines, which have a total of three leaks, are expected to be empty as of Sunday at this rate, agency head Kristoffer Böttzauw said. According to calculations by the authority, the climate impact of the leak corresponds to about one third of Denmark’s total climate impact in a year. The escaping gas is mostly composed of methane. However, there is no concrete health risk for the population, especially on the Bal…