 It is widely agreed upon, however, that CCS would need to be utilized if there is to be any negative climate change mitigation.The concept of a 2.0 °C came to light in the European Union of 1996 where the goal was to reduce the global temperature range relative pre-industrial levels.The decision of the 2 °C range was decided mostly on the evidence that many ecosystems are at risk if average global temperatures exceeded this limit.