The doubling of atmospheric CO2 concentrations has become a standard experiment in climate science, and a convenient way of comparing the sensitivity of different climate models.
Significant emission reductions are required if we are to achieve one of the key goals of the Paris Agreement, and limit the increase in global average temperatures to 1.5°C; a new Oxford University partnership warns.
COMMENTARY: A new paper suggests a rather significant upward revision of the carbon budget for 1.5°C. This is a potential game changer, but it is too early to reformulate mitigation plans.
What do Islamic investors and EU bureaucrats have in common? Both have entered the green bond market this summer.
Florent F Malavelle, Jim M Haywood, Andy Jones, Andrew Gettelman, Lieven Clarisse, Sophie Bauduin, Richard P Allan, Inger Helene H Karset, Jon Egill Kristjansson, Lazaros Oreopoulos, Nayeong Cho, Dongmin Lee, Nicolas Bellouin, Olivier Boucher, Daniel P Grosvenor, Ken S Carslaw, Sandip Dhomse, Graham W Mann, Anja Schmidt, Hugh Coe, Margaret E Hartley, Mohit Dalvi, Adrian A Hill, Ben T Johnson, Colin E Johnson, Jeff R Knight, Fiona M O'Connor, Philip Stier, Gunnar Myhre, Steven Platnick, Graeme L Stephens, Hanii Takahashi, Thorvaldur Thordarson
Bo Meng, Jianguo G. Wang, Robbie Andrew, Hao Xiao, Jinjun Xue, Glen Peters
Jennifer Joy West, Ruth Haug
Taoyuan Wei, Qin Zhu, Solveig Glomsrød