In cities, the presence of algae, lichens, and mosses is not considered desirable and they are often removed from roofs and walls. It is, however, totally unfair to consider these cryptogamic covers, as the flat growths are referred to in scientific terms, just a nuisance.
Since municipalities pay for trash disposal, usually by the ton, researchers say big savings could result from reducing volume of trash, along with the cost of hauling it and paying tipping fees for disposal, in addition to improving the environment.
The U.S. Environmental Protection Agency is providing a total of $970,000 to New York City and Ogdensburg, New York to clean up abandoned and contaminated sites.
Paving a highway across South America is providing lessons on the impact of road construction elsewhere.
On Friday, PBS NewsHour reporter Hari Sreenivasan will report on how rising sea levels in coastal Louisiana are threatening Native Americans' tribal lands.
According to a new study, children exposed to high levels of the common air pollutant naphthalene are at increased risk for chromosomal aberrations (CAs), which have been previously associated with cancer. These include chromosomal translocations, a potentially more harmful and long-lasting subtype of CAs.
U.S. Environmental Protection Agency Regional Administrator Jim Martin presented the Mayors of Salt Lake City, Salt Lake County and Ogden City with $1.3 million in grant awards to advance the assessment, cleanup and redevelopment of properties.
Researchers at the University of York headed a major international review aimed at enhancing efforts to better understand the impacts of chemicals used in pharmaceuticals or in personal care products, such as cosmetics, soaps, perfumes, deodorants and toothpastes (PPCPs), on the natural environment.
A college professor and a ecotoxicologist have teamed up to write a paper suggesting that a public discourse on birth control chemicals be held before public officials decide whether to dedicate funds to cleaning such drugs from wastewater, or not.
The Environmental Protection Agency (EPA) is giving out $69.3 million grants for new investments to provide communities with funding necessary to clean and redevelop contaminated properties, boost local economies and create jobs while protecting public health.
The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.
Plastics Make it Possible has launched Plastics Speedway, an online car-racing game that highlights many of the ways plastics contribute to automobile fuel-efficiency, safety and design.
At national parks out West, lodgepole pine trees are dying because of bark beetle. And atmospheric haze, caused in part by tiny solid particles suspended in the air, is becoming a problem.
Northwestern University researchers have developed a new solar cell that, in principle, will minimize all of these solar energy technology limitations.
Several politicians and officials from the Environmental Protection Agency met up on the shore of the Hudson River to discuss the progress of the federal Superfund cleanup on the Hudson River and the efforts to restore properties along its shorelines.
Deepwater Horizon cleanup workers and volunteers are invited to participate in the GuLF Study to help determine whether the oil spill contributed to physical and mental health problems.
The link between prenatal exposure to air pollution and childhood lung growth and respiratory ailments has been established by several studies in recent years, and now a new study suggests that these prenatal exposures can be especially serious for children with asthma.
Pollution is warming the atmosphere through summer thunderstorm clouds, according to a computational study published May 10 in Geophysical Research Letters.
The U.S. Army and U.S. Air Force will hold a joint media roundtable today at 9:30 CST time. They will also broadcast interviews in order to discuss energy and environmental initiatives.
Amid growing concerns about the spread of harmful mercury in plants and animals, a new study by researchers from The Johns Hopkins University and The National Aquarium has compared levels of the chemical in captive dolphins with dolphins found in the wild.