Updated nationally determined contributions collectively raise ambition levels but need strengthening further to keep Paris goals within reach

by den Elzen, Michel G.J., Dafnomilis, Ioannis, Forsell, Nicklas, Fragkos, Panagiotis, Fragkiadakis, Kostas, Höhne, Niklas, Kuramochi, Takeshi, Nascimento, Leonardo, Roelfsema, Mark, van Soest, Heleen, Sperling, Frank