Conifers are generally better than broadleaved trees at purifying air from pollutants. But deciduous tree may be better at capturing particle-bound pollution. A new study led by the University of ...

Donato Kofel has quantified the positive and negative effects of trees on outdoor air quality in Geneva Canton. His method can be used by city planners to design their large-scale planting programs ...

In a controversial new study, scientists are claiming that trees in Los Angeles are contributing to the city’s air pollution, challenging conventional notions about the positive role they play in ...

On a hot summer afternoon, the difference between one city block and the next can feel like a different world. On one street, the sun beats down from above while the pavement radiates heat from below.

Conifers are generally better than broad-leafed trees at purifying air from pollutants. A new study shows that the best trees for air purification depend on the type of pollutant involved. Conifers ...