Berlin (dpa) - The black-red coalition wrestles to the end to a package of measures for more climate protection, with the social balance guaranteed and the economy should not be overwhelmed. "Climate protection is a challenge for humanity. In order to meet this challenge, we need a real show of strength, "said Chancellor Angela Merkel in her video podcast for understanding of far-reaching decisions. Top representatives of the CDU, CSU and SPD were confident that a big hit would be made at the decisive meeting of the Climate Cabinet.