Environmental justice confronts a simple but uncomfortable truth: the benefits and burdens of the environment are not shared equally. Marginalized communities bear a disproportionate share of polluted air, unsafe water, toxic land uses, extreme heat, and the accelerating risks of climate change in cities around the world. These are the consequential products of decades of policy decisions, investment patterns, exclusionary planning practices, and planning choices that have consistently favored certain communities over others.

In cities and landscapes alike, these injustices are written into the physical fabric of places, even revealing extreme differences in environmental conditions between neighborhoods and districts. Dense neighborhoods with little tree canopy, for example, absorb and hold heat, exposing residents to higher rates of heat-related illness. Highways, industrial corridors, ports, and waste facilities cluster near low-income neighborhoods and communities of color, shaping conditions of health, air and soil quality, and long-term safety.

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There is a renewed interest in how food is produced and how its creation affects the well-being of both the land and the communities it supports. A similar shift is occurring in architecture, where material culture is emerging as the backbone of design innovation. LEVER Architecture exemplifies this movement with its pioneering "forest-to-frame" model, an approach that reimagines architecture not as an extractive process, but as a regenerative force with positive impacts that extend well beyond the boundaries of any individual building site.

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Material intelligence refers to how materials perform, adapt, and interact with ecological and cultural systems. It considers how stone, steel, or timber respond to intertangled forces, how those materials are sourced and assembled, and how they persist after demolition. Designers are centering material intelligence in constructing our cities in a generation of environmental uncertainty and strained supply chains.

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Videos

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No longer relegated to the domain of temporary structures or utilitarian living, modular housing is increasingly gaining traction. Prefabricated homes are disrupting the architecture industry with their efficient construction, predictable costs, and reduced environmental impact. Modular housing is rooted in the idea of quick replication and standardization. In a world that prioritizes customization, how might modular housing meet the needs of diverse individuals?

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Sadafumi (Sada) Uchiyama, ASLA, is Curator Emeritus of Portland Japanese Garden. Before his retirement, Uchiyama served as Chief Curator from 2021 to 2023. Uchiyama is a third-generation Japanese gardener from southern Japan, where his family has been involved in gardening for over a century. In addition to his background as a gardener born and trained in Japan, Uchiyama is also a registered landscape architect in Oregon and California, with Bachelor’s and Master’s of Landscape Architecture degrees from the University of Illinois. This interview was conducted at the ASLA 2021 Conference on Landscape Architecture in Nashville.

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Contemporary family living setups mean parents and grandparents in need of care, teenagers and young adults in need of independence, and homeowners in need of the financial security of a guaranteed passive income are all finding themselves in the same situation, and under the same roof. With little extra space to move into, and few options in an increasingly squeezed housing market to move out to, the simple solution is just to add another roof.

For those in the market for more functional floorspace, detached single-story ADUs (accessory dwelling units) are a simple way to boost a home’s usability fast, while avoiding the regulatory wranglings inherent in more complex structural adaptations.

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