Access to services is often worst in suburban areas

The world we live in is often divided using a binary urban-rural distinction, despite a huge gradient of settlement patterns in and around cities—ranging from urban to the most remote rural areas. New research led through ...

NASA satellite offers urban carbon dioxide insights

A new NASA/university study of carbon dioxide emissions for 20 major cities around the world provides the first direct, satellite-based evidence that as a city's population density increases, the carbon dioxide it emits per ...

CO2 sensor network shows effects of metro growth (Update)

In February 2001, before the Olympic cauldron in Salt Lake City roared to life and focused the world's spotlight on Utah, scientists at the University of Utah placed the first of several carbon dioxide (CO2) sensors atop ...

page 2 from 13