Featuring 8 nodes, 21 prompts, and 350 participants, the Collabathon convened experts from a range of backgrounds to develop radical technological solutions to some of the most intractable issues in climate change mitigation and adaptation.

A new Nature Sustainability paper explains how citizen science can help fill data gaps and further the SDG reporting process at the global, national, and subnational level.

A new report finds 10 high-emitting economies could meet or overachieve their pledged greenhouse gas emissions cuts with help from cities, regions and businesses. 

A new paper in Climate Policy uses quantitative text analysis to explore how national governments incorporate city, region, company & civil society climate action into their international climate commitments.

A new Nature Climate Change Perspectives piece outlines ways to better account for the greenhouse gas emissions reductions from climate action by local governments, the private sector, and civil society.

The Sept. 2018 Global Climate Action Summit in San Francisco, CA engaged more than 5,000 cities, states, regions, companies, investors and civil society organizations on climate change. Hundreds of commitments were made, but does it add up to something beyond action already pledged?