News tagged with urbanization

Urban metabolism for the urban century

Like organisms, cities need energy, water, and nutrients, and they need to dispose of wastes and byproducts in ways that are viable and sustainable over the long run. This notion of "urban metabolism" is a model for looking ...

Jan 24, 2013 5 / 5 (3) 0

Australia's coastal wetlands 'need room to move'

(Phys.org)—As sea levels climb, Australia's coastal wetlands will be increasingly trapped between urban development on land and the rising ocean, imperilling the survival of their unique plants, birds and fish, leading ...

Jan 14, 2013 5 / 5 (1) 0

Clamorous city blackbirds

(Phys.org)—Animals have developed a variety of strategies for dealing with increasing noise pollution in their habitats. It is known, for example, that many urban birds sing at a high pitch to differentiate ...

Jan 11, 2013 4.3 / 5 (3) 0 | with audio podcast

Cat survey reveals impact on birds

Some pet cats are killing a lot of birds around the UK, a new study shows. Most don't do much harm, but millions of marauding felines add up to what could be a serious problem for the nation's wildlife.

Jan 11, 2013 3.7 / 5 (3) 5 | with audio podcast

Finding Chicago's food gardens with Google Earth

Urban agriculture is promoted as a strategy for dealing with food insecurity, stimulating economic development, and combating diet-related health problems in cities. However, up to now, no one has known how much gardening ...

Jan 03, 2013 not rated yet 0

Megacities move to track emissions

(Phys.org)—In an article published on Dec. 5 in Nature, Jeff Tollefson writes that according to United Nations data, megacities may be responsible for as much as 70 percent of greenhouse gas emissions around the world. ...

Dec 12, 2012 5 / 5 (1) 0

Tackling urban sustainability on global scale

As the world's urban areas continue to grow, evidenced by rampant poverty and squalor from Shanghai to Rio de Janeiro, the question becomes: How can we focus on protecting environmental resources for future ...

Dec 05, 2012 not rated yet 3