Carbon dioxide surface, warming the surface and the lower atmosphere. Less energy reaches the upper atmosphere, which is therefore cooler because of this absorption. Increases in atmospheric concentrations of and other long-lived greenhouse gases such as methane, nitrous oxide and ozone have correspondingly strengthened their absorption and emission of infrared radiation, causing the rise in average global temperature since the mid-20th century. Carbon dioxide is of greatest concern because it exerts a larger overall warming influence than all of these other gases combined and because it has a long atmospheric lifetime (hundreds to thousands of years). Not only do increasing carbon dioxide
Emissions Trading Scheme in South Korea in the scheme: Carbon Dioxide, Methane, Nitrous Oxide, Hydrofluorocarbons, Perfluorocarbons, and Sulfur hexafluoride. More than 525 business entities are subject to the ETS with specific emission targets set for each sectors. Similar to that of the European Union, South Korea has divided its emissions trading scheme into three phases. With differing time spans and targets within each phase. The country is currently in its first phase which started in 2015 and lasts until 2017. The second phase occupies a 3-year-span from 2018 to 2020 and the final third phase is from 2021 to 2025. During Phase 1 all permits will