One reason is that heat from the sun can go through many of the building materials commonly found in cities.

VOA: special.2010.03.02

This is because lighter colors take in less of the strong heat of the sun than dark colors do.

VOA: special.2009.08.19

Heat exhaustion may also produce a feeling of sickness, a fast heartbeat,breathing problems and pain in the head,chest or stomach.

VOA: special.2010.07.27

Obsidian is a kind of black glass formed when the heat of a volcano melts the silica material in sand.

VOA: special.2009.09.16

(THE WHO - "SUMMERTIME BLUES") The Lovin' Spoonful was a band that did not love summers in the city because of the heat.

VOA: special.2009.06.22

No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.

VOA: special.2010.09.28

But I hadn't heard any of his songs in the past couple of years." In a nearby outdoor caf, in the scorching heat.

VOA: standard.2009.06.26

August in Australia culminated in a record-breaking heat-wave across much of the continent.

VOA: standard.2009.09.03

After two men died of heat-related causes in Moscow's metro, a consumer group sued the transit operator to bring down temperatures to the legal maximum of 32 degrees centigrade.

VOA: standard.2010.07.23

"And I think the same way you get credit for a lot of the good things that happen, sometimes you have to take the heat for things that go wrong, even though you were not personally responsible in any of the wrong doing."

VOA: standard.2010.04.21