Trend Watch May 2025

US landscape architects call for Climate and Biodiversity Commitment

Support for a Climate and Biodiversity Commitment Program for landscape architects is high among members of the American Society of Landscape Architects (ASLA), according to an April 2025 survey.

Of 230 respondents, 77% expressed the need for a program to drive greater accountability and structured action toward climate and biodiversity goals. Similar to initiatives in related fields, such as the American Institute of Architects (AIA) 2030 Commitment, the program would require tracking project impacts and publishing annual progress reports.

More than a third of participants said they are investing in meeting climate goals, prioritising staff training and the use of low-emission materials. 23% of respondents have their own action plans in place.

Respondents noted challenges in knowledge and resources, and collaboration with clients and partners. Only 19% of respondents felt fully equipped to meet the measurable goals outlined in the ASLA Climate Action Plan.

ASLA says it continues to explore the feasibility and structure of a new commitment program tailored to the needs of landscape architects. See the full survey findings on the ASLA website.

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New research: what shapes walkability?

Perceptions of walkability – how safe, pleasant and convenient walking feels – play a more powerful role in shaping walking behaviour than physical infrastructure alone, according to a 2025 study published in Transportation Research.

‘Perceived walkability’ is positively influenced by direct and well-connected routes, smooth and well-maintained surfaces, safety from traffic, attractive streetscapes, accessible street furniture and the presence of other people, the researchers found.

Street furniture contributes by enhancing comfort, safety and accessibility, making walking routes more attractive and usable for a range of people. Seating, lighting and signage can support rest, orientation and a sense of place – especially important for older adults, people with disabilities and those walking longer distances.

The research also found that walkability perceptions vary significantly by local context and are shaped by general attitudes towards walking, highlighting the importance of community engagement, place-based design, public education campaigns and walking activation programs.

Credit: coldsnowstorm and middelveld, iStock