Urban greenery’s potential as a climate solution is underused – new handbook offers solutions merimaaj@helsinki.fi Wed, 05/08/2026 - 15:34 A new Climate-Smart Urban Greenery Handbook brings together research-based, easily applicable ways to strengthen the role of urban greenery for the benefit of climate and nature. The handbook is aimed at city decision-makers and planners as well as home gardeners. Parks, yards, street plantings and urban forests play a significant but still underused role in mitigating climate change.