These birds were killed by flying into a set of surveyed buildings in Washington DC in 2013. USGS Bee Inventory and Monitoring Lab/Flickr

Buildings kill millions of birds. Here’s how to reduce the toll

The tall buildings of our cities kill horrifying numbers of birds. But some cities are adopting mandatory design measures to cut the toll.
Implosion is the most dramatic way of demolishing a building but it’s also the most wasteful and hazardous. Luke Schmidt/Shutterstock

Unbuilding cities as high‑rises reach their use‑by date

The problems of demolishing high-rise buildings in busy cities point to the need to prepare for unbuilding at the time of building. We’d then be much better placed to recycle building materials.

Contact Norman for

  • General
  • Media request
  • Speaking request
  • Consulting / Advising
  • Research collaboration
  • Research supervision