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Labeling products with information on the size of the carbon footprint they leave behind could help both consumers and manufacturers make better, environmentally friendly choices.

In a country where nearly 40 percent of households have no electricity, any new advancement that will help bring power to the world's second most populous nation, must be met with celebration and open arms.

Bloomberg's office says the new initiatives include plans to build solar power plants on capped landfills and launch a loan program to help property owners pay for green energy efficiency upgrades.

As manufacturers and other businesses step up efforts to cut waste, reduce energy use and improve the overall sustainability of their products and processes, the number of planet-friendly standards and regulations also is increasing at a rapid clip, creating a sometimes-confusing array of options for "going green." National Institute of Standards and Technology (NIST) researchers have prototyped a framework to help organizations of all types sort through the welter of choices and evaluate and implement sustainability standards most appropriate for their operations and interests.

A new source of biomass grown on unused land could help the UK meet renewable energy targets without affecting food production or the environment, according to the results of a new study.

People who look at the past through rose-tinted glasses are happier than those who focus on negative past experiences and regrets, according to a new study published in the journal Personality and Individual Differences. The study helps explain why personality has such a strong influence on a person's happiness. The findings suggest that persons with certain personality traits are happier than others because of the way they think about their past, present and future.

That axiom of sustainability -- "recycle and reuse" -- could help ease concerns about a reliable supply of substances, indispensible for a modern technological society, that are produced almost exclusively in the Peoples' Republic of China. That's the conclusion of a study on these so-called "rare earth" elements in the ACS journal Environmental Science & Technology.

Stopping people fishing around Caribbean coral reefs by designating them legally protected marine reserves could help some of them survive the effects of a changing climate by more than 50 years.

"Global warming is well-known for its effect on the climate. But it also poses a threat to the world's ecosystems. University of Toronto researcher Benjamin Gilbert wants to know more about that process."

Scientists studying populations of gray wolves in the USA's Yellowstone National Park have developed a way to predict how changes in the environment will impact on the animals' number, body size and genetics, amongst other biological traits.

Elizabeth Demaray, an associate professor of fine arts, is cultivating lichen on the sides of New York City skyscrapers to counteract the lack of native vegetation found in the city. Her "Lichen for Skyscrapers Project" was featured as part of New York's Art in Odd Places Festival from Oct. 1-10 and is currently on view as a site-specific installation on 14th Street between Union Square Park and the Hudson River. "Metropolitan centers figure into local temperatures in an interesting way," Demaray says. "They are sometimes referred to as 'urban heat islands' because they create heat and they trap heat. A large part of this process is due to the materials that we build with and the actual architecture of the buildings that we create." Demaray says one of the ways to reduce heat in these cities is to cultivate lichen, which forms a protective barrier, insulating its supporting building from harmful elements. It can lower cumulative temperatures by absorbing sunlight and reflecting heat due to its light color palate while making oxygen and creating green space on the sides of buildings.

Using a web app that is provided online, participants are asked to attempt to identify certain constellations and, if they can, rate them against magnitude charts. The project tracks the increasing problem of disappearing darkness, which can interrupt the cycles of plant and animal life, eventually to a fatal degree.

While most people know that the shortest distance between two points is a straight line, this concept is proving even truer in the world of stock trading. In a world where buying low and selling high means all the difference, racing the speed of light between to different financial markets can mean greater profit.

In the growing global battle against substandard and counterfeit medicines, the Promoting the Quality of Medicines (PQM) program has launched a new, public database of medicines collected and analyzed in collaboration with stakeholders from countries in Africa, South America and Southeast Asia. Free of charge and available to anyone with access to the internet, the Medicines Quality Database (MQDB) includes information on the quality of medicines collected from a variety of sources. To date, more than 8700 records of tested samples collected from Ghana, Laos, Vietnam, Cambodia, the Philippines, Thailand, Peru, Guyana and Colombia have been entered into the database.

People naturally sort words and objects into categories, a key process in forming memory. But when it comes to how things are mentally organized, cultures dramatically differ in their strategies.