The ocean has absorbed 20-30% of the world’s carbon emissions since the 1980s. It's feeling the effects in the form of sea level rise, heatwaves and bleached corals. Kelly Levin and Eliza Northrop explain these and other findings from a groundbreaking new report. Read more.

A progress report shows governments and businesses need to do more to meet Sustainable Development Goal 12.3, which calls for the world to halve food loss and waste by 2030. Katie Flanagan charts a way forward. Read more.

China has the largest buildings market in the world. How it builds will affect all of us. Read more.