structural:expansion, information:extraction
Environment and decarbonization

Oslo is a compact city. It is easy to move around by public transportation and rentable city bikes accessible to all in many places in the city centre. In 2003, Oslo received The European Sustainable City Award and in 2007 Reader's Digest ranked Oslo as number two on a list of the world's greenest, most livable cities.

The City of Oslo has set the goal of becoming a low carbon city, and reducing greenhouse gas emissions 95% from 1990 levels by 2030. The climate action plan for the Port of Oslo includes implementing a low-carbon contracting process, and installing shore power for vessels which are docked.

By October 2022, Oslo had an extensive network of bicycle lanes and tram lines, most of its ferry boats had been electrified, and the city was "on course to become the first capital city in the world with an all-electric public transport system", including e-buses.