As Concerns Over Climate Change Rise, More Developers Turn to Wood

The Brock Commons Tallwood House in Canada was the tallest building made of wood when it opened in 2017. Now, thanks to government policies, scientific research, and hundreds of examples of proof-of-concept, more developers around the world are looking to construct buildings out of timber. Using timber is cheaper than cement, concrete, and steel and can actually store carbon emissions in its supports instead of releasing the greenhouse gas into the atmosphere.

More and more commercial real estate projects are popping up around the United States that are focused on “deep green” building. This movement suggests that it’s not enough to just make a building out of renewable materials, but they can also be self-sustaining. For example, the Watershed, an office building in Seattle, has a slanted roof that collects rainwater that is then used in toilets. These types of projects can be more complicated and expensive to build, but developers can save money in the long run with the improvements.

A warehouse in Switzerland is being transformed into new creative workspaces. The catch: It’s being constructed out of reused building materials. About 70 percent of it is being made from old materials like wood floorboards, steel beams, and windows. A network of treasure hunters are on the lookout for used materials that can be used in constructing these buildings. The workspace is nearly complete and it already has tenants for all of the spaces. They were also able to cut the building’s carbon emissions in half.

A housing project in Brooklyn is taking nine apartment buildings and retrofitting them to be more sustainable and cut carbon emissions. Casa Pasiva is a $20 million project that aims to reduce heating and cooling costs because of updated machinery and thick exteriors that will improve air quality. Funding for these types of initiatives is not always certain, but a collaboration between a developer and a nonprofit, with some city financing, made this first-of-a-kind green building renovation in New York possible.

Around the world, scientists are eco-engineering urban waterfront areas to encourage marine species diversity. Seattle’s Central Waterfront area was recently enhanced with a textured and angled concrete sea wall to encourage the growth of algae and invertebrates, a built-up seafloor to attract juvenile salmon who like shallow water, and light penetrating glass bricks in the sidewalk, which boost seaweed growth and entice shade-avoidant salmon smolts. The project also enhances the human experience with more pedestrian access, better storm water management, and a new pier park with direct water access.

Powerhouse, a collective of architects, engineers, environmentalists, and designers based in Oslo, reimagines building design to address climate change. Not only are many of their structures energy-neutral, but they actually produce surplus energy. For example, Powerhouse Brattørkaia in Trondheim is an eight-story office that will generate 485,000 kWh annually. Such "energy-positive" building has made great strides in Norway.

As climate change causes global sea levels to rise, nations around the world are increasingly concerned about threats to infrastructure and livelihoods. But the Dutch have been keeping the sea at bay for centuries using a variety of methods and technologies. Their designs and plans - such as floating buildings - may provide solutions for other countries looking to evolve and adapt to changing ocean levels.

As building developers in Kenya design new structures that are more environmentally friendly and sustainable, they can look to the Garden City Mall in Nairobi as a successful example. This mixed-use development with shopping, residential, and office spaces uses solar energy, which helps cut energy costs by over 30 million shillings each year. The mall also was the first in the region to receive an international green building certification.

Developers in Cleveland are salvaging building parts that can be reused in other construction projects. The sustainable initiative known as deconstructing helps reduce carbon footprints and helps avoid the “high social and environmental costs of dumping demolition material in landfills.”

Apartments at Front Flats, a new residential building in Philadelphia, is powered by 492 solar panels that are wrapped around the building. The point: to demonstrate that developers can design buildings that are energy-efficient and be built at an affordable cost. It’s not clear yet if the building is “net zero” in terms of producing as much energy as it consumes, but residents are paying only $40 a month for utilities.