As the United States celebrates its 250th anniversary, some architects are calling for a greater emphasis on preserving and repurposing historic buildings, warning that continued demolition could erase pieces of the nation's cultural and architectural history, reports Newsweek.

They say restoring older structures through adaptive reuse rather than replacing them with new construction can help communities retain their identity while meeting modern needs.

"The most important concern with a 'tear it down' mentality is that we lose much of our nation's historic narrative — which is especially prominent right now as we celebrate America's 250th anniversary," Leeswann Bolden, a licensed architect and solutions engineer at Graphisoft, told Newsweek.

Bolden said financial considerations have long driven redevelopment decisions in the United States.

She said the country's preference for replacing older buildings instead of rehabilitating them dates to the Industrial Revolution, when rapidly growing cities demanded inexpensive construction and little attention was paid to how long buildings would last.

"There are several factors that have contributed to America's 'tear it down' mentality, with the primary motivation being financial," she said.

She added that renovating older buildings has become more challenging as developers work to meet modern accessibility requirements, building codes, and mechanical system standards, making new construction appear more economical in many cases.

Miles Smith, a licensed architect and senior industry growth and strategy manager at Graphisoft, said the nation's development history also contributed to that mindset.

"We were a brand-new colony, looking to grow quickly," Smith told Newsweek.

He said widespread stick-frame construction allowed communities to expand rapidly but also fostered a culture in which buildings were viewed as replaceable rather than permanent.

Smith said preservation efforts have expanded over the past century but warned that some developers continue to seek ways around historic preservation protections.

If that trend continues, he said, communities risk replacing landmarks that foster civic identity with "lifeless architecture built to maximize profits instead of celebrating our history and culture."

The debate over preserving historic buildings stretches back to the nation's earliest decades.

Historian Whitney Martinko has documented disputes between the 1780s and 1850s over whether historic structures should remain part of the American landscape or be cleared for private development.

One example cited by Smithsonian magazine is the demolition of John Hancock's home in Boston, while preservation advocates successfully saved George Washington's Mount Vernon estate.

Architect Gordon Gill, whose projects include the Jeddah Tower in Saudi Arabia, has also argued that preserving existing buildings should be a priority.

"It's the existing building stock you have to keep your eye on ... refreshing that stock and keeping them relevant, part of the sustainability legacy," Gill previously told Newsweek.

Smith said preserving historic buildings allows communities to maintain a visible connection to the country's diverse architectural traditions.

"By committing to adaptive reuse for the sake of preservation," he said, "the country's architecture will be able to tell a continuous story over time of 'what it was and what it became.'"