US House of Representatives passes bill for bird-friendly public buildings
The US House of Representatives has passed a bill to reduce the amount of glass used for federal buildings in a bid to protect birds from death by collision.
The bill, named Bird-Safe Buildings Act, passed on 1 July as part of the wider Moving Forward Act or H R 2 and it will now be introduced in the Senate. If passed by a two-thirds majority it will become law.
Birds, often migratory ones, fly into the reflective facades of buildings and almost one billion are killed annually from collisions in the US, according to a study by Cornell Lab of Ornithology.
At night, these migratory birds are also attracted to the glowing lights inside during nocturnal flight.
Bill would affect federal buildings
The proposed bill calls instead for bird-friendly materials to be used for new federal buildings, which include local offices and government departments. It would also affect public structures being renovated when more than half of the facade is changed.
Minimising the amount glass on lower levels and preventing transparent passageways and corners are among the bird-safe modifications in the legislation.
“At least 90 per cent of the exposed facade material from ground level to 40 feet (12 metres) shall not be composed of glass or shall be composed of glass that employs a combination of bird-safe modifications,” it states.
“At least 60 per cent of the exposed facade material above 40 feet (12 metres) shall meet a modified glass standard.”
The glass standards would also apply to walls around a courtyard with water features, plants and “materials attractive to birds”, while other regulations include shielding outside lights.
Bird-friendly design trend is “increasing momentum”
According to the American Bird Conservancy (ABC), the progress of the bill shows traction is gaining for bird-friendly architecture.
“The bill’s success is the latest evidence of increasing momentum in bird-friendly building trend,” it said. “This bipartisan bill is designed to reduce bird mortality by calling for federal buildings to incorporate bird-safe building materials and design features.”
Last year, New York passed a bill that changes the city’s building code with requirements to make new glass structures safer for migratory birds.
Before New York City passed its bill, other cities in North America introduced guidelines to make buildings more bird-friendly, including Toronto with a “best practices” guide in 2007 and San Francisco in 2011.
Photograph is by Olga Gavrilova.
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