"The pollution issues are even more acute in the big urban areas,".

VOA: standard.2009.03.23

Most of the money was spent of dredging equipment. But Tuman and others who live on the water say these machines rarely work and have not helped with the pollution problem.

VOA: standard.2009.12.16

But the F.A.O. representative in Liberia warned about spraying pesticides from airplanes because of the risk of additional water pollution.

VOA: special.2009.01.27

The group's recent "State of the Air" report said Pittsburgh has the worst short-term fine particle pollution in the country.

VOA: special.2009.07.13

With this latest discovery, the researchers say noise pollution in coral environments raises yet another cause for concern for these organisms.

VOA: special.2010.08.10

A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of our activities.

VOA: special.2011.04.05

More than three billion people are at risk from indoor air pollution because of the heating or cooking fuels they use.

VOA: special.2010.02.01

But Mister Zundt says reducing air pollution and acid rain will reduce respiratory illnesses for people in the city.

VOA: special.2009.09.07

The scientists investigated the effect of pollution and climate change on what they called the rainforests of the ocean.

VOA: special.2010.08.10

Lake Champlain also has the same kinds of environmental problems, including pollution and nonnative sea life, as the Great Lakes.

VOA: special.2009.01.05

And the dymaxion car -- which could have provided safe, pollution-free transportation using little gasoline -- was never produced.

VOA: special.2010.05.30

His sculpture also makes a statement about the harmful effects that waste and pollution have on the environment.

VOA: special.2009.11.13

The scientists on Antarctica know better than anyone about the effects of pollution and human behavior on this important treasure of a continent.

VOA: special.2009.06.03

However,Tata company officials say the Nano will produce less pollution than any other car in the country.

VOA: special.2009.03.28

The idea offers a way to cut pollution, save money and energy, and make the neighbors happy.

VOA: special.2009.09.08

Numbers of America's national bird, the bald eagle, have recovered largely because of measures to fight pollution.

VOA: special.2009.05.12

EPA Administrator Lisa Jackson says the problem of cookstove pollution is really an issue of poverty.

VOA: special.2010.09.27

Because of pollution,however, the amounts are higher the closer you get to cities and towns.

VOA: special.2009.06.09

But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution.

VOA: special.2009.10.23

Mister Zundt says diesel vehicles are the main cause of air pollution in Sao Paulo.

VOA: special.2009.09.07

Also,all the electricity used at Coppi's is wind-generated so it does not cause pollution.

VOA: special.2009.04.10

In addition,the new bus is very quiet and does not produce noise pollution.

VOA: special.2009.09.07

Water pollution and visits by careless swimmers and divers also threaten the reef.

VOA: special.2009.04.22

Mr. Bahtiarian says the main source of noise pollution is the propeller.

VOA: special.2011.06.29

NOAA scientists say the main threats are pollution, overfishing and climate change.

VOA: special.2010.08.10

Some say the new cars will increase India's traffic and pollution problems.

VOA: special.2009.03.28