Sorrow in Peru as mudslides destroy homes

One mudslide after another finally destroyed the house of Elvis Palomino in Chaclacayo, east of Peru's capital Lima, where others are stacking sandbags they hope will save them from a similar fate.

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 ...

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