We need to halve emissions by 2030. They rose again in 2019.

And greenhouse gases will continue to climb until nations collectively commit to much more aggressive action.

https://www.technologyreview.com/s/614801/we-need-to-halve-emissions-by-2030-they-rose-iagain-i-in-2019/?utm_source=newsletters&utm_medium=email&utm_campaign=the_download.unpaid.engagement