Today’s Solutions: December 19, 2025

Of all the “sustainable” communities that global cities are planning to build in the coming years, the blueprints for a new net-zero community in Hamburg are particularly striking. One main reason is that the community, which will be built in the formerly industrial borough Harbugh, will be powered by geothermal walls, wood pellet-fueled cogeneration plants, and photovoltaic panels. 

But beyond its unique sources of energy, the Hamburg development stands apart for its communal roof gardens. The buildings, which seem to be connected by these communal roof gardens, will have a variety of social functions, including sports facilities, running and walking routes, outside dining areas, and a large area dedicated to urban agriculture.

The plans for this net-zero community look stunning, so we’ll surely be keeping an eye out for it as it gets built in the coming years.

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