Category: 9. Environment

In a recent paper, a researcher noted a bird’s surprising urban adaptation: A young Cooper’s hawk used a pedestrian crossing signal to help it hunt more successfully in a busy…

Violent tornado outbreaks, like the storms that tore through parts of St. Louis and London, Kentucky, on May 16, have made 2025 seem like an especially active, deadly and destructive year for tornadoes.

The U.S. has had more reported…

U.S. consumer demand for renewable energy continues to grow, with more solar panel capacity installed in 2024 than in 2023, which saw more than in 2022. But U.S. trade policy is in flux, and high tariffs have been imposed on imported solar…

The European Union’s landmark anti-deforestation law could fail to deliver on its environmental promises if enforcement authorities disproportionately focus on small importers…

Field experiment

We conducted the natural field experiment in collaboration with eight large Swedish supermarkets from two store chains. Ethics approval was obtained from the University of Copenhagen, Department of Economics, Ethics board and all…