Soil dioxin levels 'in decline'
240311
The level of dioxins in soil and vegetation has fallen by about 70% over 20 years, a UK-wide survey suggests.
724854
In its Water Indicator Report, the agency says the pollution of groundwater supplies has worsened in many areas over the past 12 months, reversing the trends reported in recent years.  However, there has been a slight improvement in the pollution levels in some rivers.
6655
Blood changes, including a steep decline in disease-fighting white cells, have been found in workers persistently exposed to low levels of benzene, a common industrial chemical known to pose a leukemia risk at high concentrations.
133588
Lead may raise the risk of death at levels much lower than those widely thought as safe, research suggests.
424502
The number of cannabis farms being uncovered by police in England and Wales has trebled in the last two years, according to a report by drugs information charity DrugScope published Tuesday.
13665
The average level of a deadly form of air pollution dropped in the USA from 1999 to 2003 as new pollution controls made strides in battling the nation&#39;s air quality
299028
By SCOTT McDONALD  BEIJING - China's environmental watchdog admitted Monday the country had failed to reach any of its pollution control goals for 2006 and had fallen further behind as the economy picked up speed.
627167
LOS ANGELES - Concentrations of one of the most dangerous air pollutants have declined in most of the country in the last five years, especially in Southern California and the Southeast, according to a report released by the US Environmental Protection
232754
By Jake Batsell, The Dallas Morning News  Feb. 21--FRISCO -- Emissions from asphalt and concrete plants in  southeast Frisco don't pose a serious health risk to nearby residents and  elementary school students, according to an air-quality study commissioned by  the city.
197885
About two-thirds of British moth species have shown a decline since 1970,  scientists say.
461307
A dramatic decline in breast-cancer rates may be linked to a decrease in the number of women using hormone therapy. What women need to know about the new findings.
733550
Some chemicals should be re-assessed after new evidence shows they accumulate in the food chain, scientists say.
153187
Environmental degradation is affecting health, nutrition and the natural world, says a flagship UN report.
185837
By Chris Woodka, The Pueblo Chieftain, Colo.  Mar. 11--The amount of irrigated farmland in the Arkansas Valley has been dwindling for three decades and will continue to disappear as more water is converted to other uses.
109527
Streeters are getting a little less than they did in the past.
223729
Tooth decay in British children has fallen to the lowest recorded levels in 20 years, according to official figures. Despite the popularity of sweets and sugary drinks the Office
112309
The Centers for Disease Control and Prevention released a new report Wednesday, showing a slight drop in adult smoking from 2002-2003.