Ethnolinguistic diversity slows down urban growth

Where various ethnic groups live together, cities grow at a slower rate. That is the conclusion reached by a researcher from the University of Basel and his colleagues based on worldwide data that shows how the diversity ...

Unsustainable food systems: Can we reverse current trends?

As rural masses migrate to urban areas, populations grow, and people work toward better living standards, global food system sustainability is jeopardized, according to a new analysis spanning low- to high-income countries. ...

A new tomato ideal for urban gardens and even outer space

Farmers could soon be growing tomatoes bunched like grapes in a storage unit, on the roof of a skyscraper, or even in space. That's if a clutch of new gene-edited crops prove as fruitful as the first batch.

Big cities feed on their hinterlands to sustain growth

Researchers at Linköping University in Sweden call into question an influential theory of the self-reinforcing dynamics of urban growth. Their research, published in Science Advances, shows that big cities feed on their ...

Lack of water is key stressor for urban trees

A study out March 13 finds that urban trees can survive increased heat and insect pests fairly well - unless they are thirsty. Insufficient water not only harms trees, but allows other problems to have an outsized effect ...

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