The proportion of Americans with asthma increased from 7.3% in 2001 to 8.4% in 2010, marking the highest level ever, the U.S. Centers for Disease Control and Prevention said Tuesday.

While there's no dearth of studies examining the presence of questionable chemicals in household staples such as cleaners, toys, and personal care products, similar studies that focus on gardening gear -- hoses, gloves, hand tools, kneeling pads and the like -- are rarer.

Residual pesticides found at a proposed site for Little League ball fields have led Manatee County officials to recommend halting construction plans because of the increased time and money associated with cleaning up the area.

Fourth-graders at Rockwood School District's Center for Creative Learning haven't been idle in working to promote clean air at their Ellisville campus. The 53 students were honored for their work on "Action4Air," a campaign to lessen vehicle idling.

New oil and gas drilling and fracking are now temporarily banned in Loveland and may soon be in Fort Collins as well.

At the entrance to Treece, Kan., something strange happens: Mountains appear on the horizon. Except they’re not really mountains. They’re mounds of toxic stone. Gray, treeless monuments to the town’s more profitable past.

A Travis County judge has stalled plans for a Corpus Christi power plant after finding flaws in the air pollution permit issued by state regulators.

Exposure to bisphenol A decreases the likelihood of successful egg implantation among women undergoing fertility treatment.

With lawmakers now reviewing a bill that would allow fracking in New York state, local musicians will join the New Yorkers Against Fracking rally and concert in Albany on Tuesday, to encourage Governor Andrew Cuomo to maintain the state's ban.

Overweight mothers-to-be could be condemning their unborn children to decades of ill health. Babies whose mothers were carrying extra pounds when pregnant are more likely to be fat and unhealthy as adults, researchers say.

Spring is in full swing and swung into New Jersey earlier than ever this year. Extreme weather events and drastic changes in weather patterns are becoming a common occurrence. The effects of climate disruption on human health already are afflicting allergy and asthma sufferers.

Cleaning up toxic sites, raising standards for testing and going after out-of-state coal plants should not be "the one that got away." We need government to stand up and do its job in protecting us and the food we eat.

For some people, genes are key to predicting our future health. For others, genes as crystal balls are overhyped. Let's call it a truce because both sides are right.

Worries about health effects, privacy and cost are fueling growing opposition to wireless, digital "smart meters" that utilities around the country are installing at homes and businesses and touting as key energy conservation and grid reliability tools.

An estimated 6,000 people come daily to mine the Dandora city dump, sorting waste that can be eaten or sold to recycling companies. But most of the 1 million people living near Dandora want the trash site gone and have organized themselves into a grassroots campaign called Stop Dumping Death On Us.

A recent assessment shows pesticide residues found on Australian foods may be linked to health problems such as lymphoblastic leukemia in children, behavioural irregularities and low IQ.

The significant growth in many human diseases and disorders in recent decades is connected to the rising levels of exposure to mixtures of some chemicals in widespread use, according to a review of recent literature commissioned by the European Environment Agency.

Women exposed to low levels of cadmium in their food have changes in DNA markers that alter gene regulation and increase their cancer risk. This study for the first time suggests that cadmium may be turning genes on or off in a way that triggers disease.

The Pennsylvania Department of Health says it investigates every claim by residents that gas drilling has caused health problems, but several people say the agency's actions don't match its words. One reason is that state health budgets were cut.

Millions of Angola’s poorest families are facing critical food insecurity as a prolonged dry spell across large parts of the country has destroyed harvests and killed off livestock.