Intelligent cities can address the roots of urban challenges

The term "smart city" has gained in popularity, but the label still conjures the use the technologies to solve operational problems. Rather, cities are complex and need intelligent, transformative and engaged efforts.

Water nanoproperties as a key factor for sanitation

Living organisms, viruses, and technological devices, have water layers between their cells or parts and can die or stop working when dehydrated. But why water and not any other fluid? What makes water unique under such conditions ...

World resource extraction could surge 60% by 2060, UN warns

Extraction of Earth's natural resources could surge 60 percent by 2060, imperiling climate goals and economic prosperity, the UN said Friday, calling for dramatic changes in energy, food, transport and housing.

The sad state of biodiversity

Factfile on biodiversity ahead of talks opening Monday under the UN's Convention on Biological Diversity (CBD) in Hyderabad, India.

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