How much open space does an urban area need?

Around 97% of all metropolitan areas in the United States have insufficient open space, according to a new study published in the Journal of the Association of Environmental and Resource Economists. In the paper "Open Space ...

Urban birds prefer native trees, shows long-term study

Small passerine birds, such as blue and great tits, avoid breeding in urban areas where there are many non-native trees. Chicks also weigh less the more non-native trees there are in the vicinity of the nest. This is shown ...

Humans and nature: The distance between the two is growing

Humans are living further and further away from nature, leading to a decline in the number of our interactions with nature. This is the finding of a meta-study conducted by a Franco-German research team at the German Centre ...

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