Their study considers painting sixty-three percent of rooftops white in one hundred large cities in warm areas around the world.

VOA: special.2009.06.19

The same ten cities stay at the top of the list from year to year, although their order may change slightly.

VOA: special.2009.03.27

However,he says, it remains to be seen if it is possible for cities to paint their roofs white.

VOA: special.2010.03.02

In all three of America's biggest cities, murder rates have fallen to their lowest levels since the 1960s.

VOA: special.2009.01.12

Cities in the United States and Europe have increased security in and around their mass transportation systems.

VOA: special.2010.04.03

In many American cities, people who have lost their jobs are now volunteering.

VOA: special.2009.04.03

In the wake of the bombings, cities in the United States and Europe boosted security in and around their mass transit systems.

VOA: standard.2010.03.30

People who live in some of the world's most economically important cities are spending more and more of their work day getting to and from work.

VOA: standard.2010.07.26

Their leaders have strongly denounced annual gay pride parades held in several Israeli cities.

VOA: standard.2009.08.04

The protesters plan to work their way north in vehicle convoys, gradually adding to their numbers as they move through cities and towns in the coming days.

VOA: standard.2009.03.12

People lived on the edge of death." During the frequent droughts, Mohamed Ait Lamine and others left their families to look for work on construction sites in cities far away.

VOA: standard.2009.12.10

So far this month, U.S.officials have sent around to other Mexican border cities with the hope that many of them will not work their way back to Juarez and become part of the city's criminal underground.

VOA: standard.2010.04.01