Free bus fares due to snow to encourage public transport

Free bus fares due to snow to encourage public transport

Columbus, OH, USA

Plant a city tree to honour your loved ones

Plant a city tree to honour your loved ones

Leipzig, Germany

Ghost bikes on a mission to keep cycling safe in cities

Ghost bikes on a mission to keep cycling safe in cities

Munich, Germany

Berlin makes urban gardening part of its own culture

Berlin makes urban gardening part of its own culture

Berlin, Germany

Urban gardening to connect people with nature in the city

Urban gardening to connect people with nature in the city

Ljubljana, Slovenia

Boards to clean up the streets of chewing gum

Boards to clean up the streets of chewing gum

Rotterdam, Netherlands

Urban micro gardens to reduce the impact of air pollution

Urban micro gardens to reduce the impact of air pollution

Barcelona, Spain

Clean up to raise awareness about waste disposal

Clean up to raise awareness about waste disposal

Onitsha, Nigeria