Growing up, Brian Earle’s family moved every couple of years. He was born in Heidelberg, Germany; relocated several times to U.S. cities; and attended high school in Seoul, where he lived within artillery range of the North Korean border.

“I’m a military brat,” says Earle, the principal-in-charge for ZGF Architects of Amazon’s 2.1-million-sq-ft Metropolitan Park office development in the National Landing district of Arlington County, Va. In addition to his father, both grandfathers were in the service, he adds.

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受军方进行集体问题解决方法的影响，厄尔被Metpark开发与物业经理JBG Smith的高级发展副总裁Matt Ginivan称为“完美合作者”。

Earle’s emphasis on collaboration has “filtered down to the construction team,” adds Jeff King, a vice president of the general contractor, Clark Construction. “Brian is fantastic at keeping the client’s vision and solving issues” in a way that “benefits the team as a whole,” says King.

MetPark旨在集成到现有的水晶城区。它针对LEED铂和净零操作碳。它正在跟踪该作业200,000 Cu YD混凝土的体现碳的降低15％。

ZGF的目标降低了10％，并将目标包括在投标文件中。混凝土分包商Miller＆Long Co.和Clark Concrete击败了5％的目标。

厄尔（Earle）称较低体现的碳为“行业动动努力，”尤其是考虑到该项目的规模。

Earle’s bent as a visual learner, talent as an artist and youthful exposure to many cultures and architectural styles led to his interest in urbanism, especially buildings that do less harm to the environment. “For society to grow and prosper, we need to find a way to build sustainably,” he says.


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Ginivan说：“ Brian一直是该项目的惊​​人领导者，尤其是在权利和城市设计领域。

With topping out expected in early spring, MetPark’s two 22-story buildings are on course for completion in the spring of 2023.

To determine MetPark’s embodied carbon diet, ZGF used its Concrete LCA Tool—a simple Excel calculator, offered free of charge to anyone, for rapid life cycle assessments of concrete mix designs and comparisons to regional practices.

ZGF and structural engineer Thornton Tomasetti then created a novel performance-based specification for the concrete bidders to get their ideas on how to best reduce the embodied carbon.

Bid forms went out with a primer introducing environmental product declarations, global warming potential and related subjects. And bidders could use ZGF’s tool.

“Hopefully, the embodied carbon reduction will pave the way for others to do the same,” says King.

“It’s our job to push that by helping owners understand it is achievable” with no added cost, adds Earle, who predicts that shrinking concrete’s carbon footprint by 30% to 45% over current baselines will be the norm in five to 10 years.