“Proud that cities are working together and speaking with one voice”. Mayor Juergen Nimptsch, Bonn, presenting carbonn Climate Registry on UN Radio

The longest-ever climate conference, COP25, concluded on Sunday. The talks punted a number of meaningful decisions to 2020, and some results were even cause for disappointment. But those of us working for local and regional governments are used to taking the lead on ambition. While we are frustrated at the lack of progress on the decisions coming out of the negotiations, we still found four reasons to remain hopeful after this COP25.