If global emissions peak in 2020 they would need to decline at 9 % per annum thereafter, an impossible task. (planet3.org)
The scenario under which emissions peak by 2020 is what scientific experts have suggested is necessary to avoid the risk of «irreversible» climate change. (news.mongabay.com)
As a result of these shifts global greenhouse gas (GHG) emissions peak around 2030 and then decline gradually. (energytrendsinsider.com)