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Transparent Dome and Native Planting Enhance Sustainable Riverfront Recreation

Transparent Dome and Native Planting Enhance Sustainable Riverfront Recreation
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A transparent dome supported by cross-laminated timber panels integrates seamlessly with native planting to create a multifunctional recreational space on the Charles River waterfront.
5 key facts about this project
01
A teardrop-shaped island design reflects natural drumlin formations in the area.
02
The project incorporates extensive native planting to support local biodiversity.
03
A transparent dome enhances visibility and creates a seamless indoor-outdoor connection.
04
Pedestrian ribbons on the bridge allow for dual-use of space and enhanced accessibility.
05
Cross-laminated timber panels provide sustainable structural support while reducing carbon footprint.

## Overview
The Charles River Island project proposes a significant modification to the Massachusetts Avenue Bridge, linking Cambridge and Boston via the creation of an island across the Charles River. The intent is to establish a multifaceted recreational space that integrates modern design with the surrounding natural environment, promoting connectivity between the two cities.

## Spatial Configuration
The design features a teardrop-shaped island inspired by the geological formations known as drumlins, which are created by glacial activity. This configuration not only provides an engaging topography for visitors but also incorporates a variety of paths, gardens, and seating, catering to diverse recreational activities and fostering social interactions. The island serves as a central hub in the urban landscape, encouraging public engagement through accessible spaces.

## Material Selection
Sustainability and contextual relevance inform the material choices in the project. Wood is utilized for structural components and finishes to evoke warmth, while glass enhances the dome and public spaces, permitting the influx of natural light. Steel offers structural integrity for the bridge and surrounding buildings, complemented by concrete foundations that ensure durability. Landscaping materials designed for gardens and recreational areas are implemented to enhance biodiversity and create inviting environments for users.

The dome serves as a focal point, connecting to MIT's architectural heritage and functioning as a versatile venue for community gatherings and events. The bridge design features dual ribbons, allowing for both pedestrian and vehicular access, with strategic planting that introduces greenery into the urban fabric. Each drumlin within the island is assigned specific recreational roles, accommodating varied activities from casual leisure to organized community events, ultimately reinforcing the project’s commitment to fostering a vibrant public realm.

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The Next House: USA
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100,000€ Prize / 2026

The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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