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Tokyo at risk: Can megacities cope with disaster?

The cascade of catastrophe that has befallen Japan highlights the vulnerability of megacities to disaster, including fallout from a nuclear accident, say experts on urban risk.

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Energy guzzler Singapore boosts 'green' buildings

From the bone-chilling air conditioning that pumps through Singapore's malls and offices to lights that burn all night, the city state is one of Asia's most intensive energy users.

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Tracking pollution from outer space

The thickest layers of global smog—caused by traffic, industry, and natural minerals, among other factors—are found over the world's megacities. But getting an accurate measurement of pollution is no...

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Developing cities face perfect storm of environmental risks

A major report, "Future Proofing Cities," published today by Atkins in a unique partnership with the Department for International Development (DFID) and UCL, warns that cities in the developing world...

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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...

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Biologists bore into Canadian termite invasion

Scientists at Western University have discovered why termites wreak havoc on megacities like Toronto and Paris and how new findings may lead to possible pest controls.  

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Compact multipurpose scooter for crowded megacities

TUM CREATE has unveiled an all-new multipurpose scooter prototype, codenamed VOI, at the 3rd Taiwan International Electric Vehicle Show. VOI gets its name from the Vietnamese word for elephant—a symbol...

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Pollution plumes in Paris air are richer in gaseous aromatic compounds than...

What is the origin of the volatile hydrocarbons, other than methane, present in city air? Mainly gasoline-powered vehicles, according to a study carried out by a French-US team. The study also shows...

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Peaceful role for drones explored at TED conference (Update)

Unmanned drones, instead of being harbingers of death, should become a vital technological tool in the conservation fight and in delivering vital goods to remote areas, the TEDGlobal conference in...

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Researchers constrain the sources of climate- and health-afflicting air...

Particulate air pollution from incomplete combustion is affecting climate over East Asia more than carbon dioxide and cause premature deaths of over half a million annually in China alone, yet its...

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Breathless in the Megacity

Megacities offer the enticing prospect of employment and the benefits of an urban infrastructure – but they also expose their inhabitants to high levels of air pollution. Together with an Indian...

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Floods show what lies ahead for sinking Bangkok

The Thai capital, built on swampland, is slowly sinking and the floods currently besieging Bangkok could be merely a foretaste of a grim future as climate change makes its impact felt, experts say.

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Biodiversity where you least expect it: A new beetle species from a busy...

the world's 10th largest megacity and 6th largest conurbation, based on official statistics – is not a place one would normally expect to discover new species, even in a country that is known as a...

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Megacity study shows energy and resource use for largest urban areas

(Phys.org)—A massive study headed by Christopher Kennedy an engineer at the University of Toronto has revealed some of the ways energy and resources are used by the world's megacities, which the...

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Can the world's megacities survive the digital age?

Today, megacities have become synonymous with economic growth. In both developing and developed countries, cities with populations of 10 million or more account for one-third to one-half of their gross...

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20 percent more trees in megacities would mean cleaner air and water, lower...

Planting 20 percent more trees in our megacities would double the benefits of urban forests, like pollution reduction, carbon sequestration and energy reduction, according to a study in Ecological...

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