Commentary: 3 Million Trees And Roof-top Gardens: European Cities Make Green Pledge

In Europe thirty-one major cities, including London, Barcelona and Milan, signed a declaration committing to invest in green spaces like rooftop gardens and fighting the effects of climate change by planting trees.

Reference: https://waste-management-world.com/a/a-circular-economy-model-in-zimbabwe-requires-a-public-shift-in-attitude