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Kitchen air pollution is three-times higher than busy city centres
June 6, 2012 09:00 AM - ClickGreen staff, ClickGreen
The air inside homes can have pollutant levels three-times higher than in city centres and along busy roads, according to a new study by the University of Sheffield.
Using cool materials to construct roads and walkways is an effective way of lowering urban temperatures to make cities more comfortable in hot weather, according to a new study. The research found surface temperatures were reduced by 12°C and ambient temperatures were reduced by 1.9°C after cool pavements were installed in a city park in Greece. Cities are known to exhibit the urban heat island effect, in which urban temperatures are higher than those of the surrounding rural areas. The phenomenon is created through a combination of heat released from human activities, such as air conditioning and traffic, in addition to decreased air flow and increased heat absorption by buildings, roads and other structures. In the future, climate change is likely to exacerbate the heat island effect with more frequent and extreme heat waves
Greenland glacier melt was faster in 1930s than today
May 30, 2012 06:44 AM - Staff, ClickGreen
A chance discovery of 80-year-old photo plates in a Danish basement is providing vital new clues into how Greenland glaciers are melting today. Researchers at the National Survey and Cadastre of Denmark - that country's federal agency responsible for surveys and mapping - had been storing the glass plates since explorer Knud Rasmussen's expedition to the southeast coast of Greenland in the early 1930s. In this week's online edition of Nature Geoscience, Ohio State University researchers and colleagues in Denmark describe how they analyzed ice loss in the region by comparing the images on the plates to aerial photographs and satellite images taken from World War II to today.
Climate Change Doubt not due to ignorance of the science
May 28, 2012 08:11 AM - Staff, ClickGreen
A new study has dispelled the myth that the public are divided about climate change because they don't understand the science behind it. And the Yale research published today reveals that if Americans knew more basic science and were more proficient in technical reasoning it would still result in a gap between public and scientific consensus. Indeed, as members of the public become more science literate and numerate, the study found, individuals belonging to opposing cultural groups become even more divided on the risks that climate change poses. Funded by the National Science Foundation, the study was conducted by researchers associated with the Cultural Cognition Project at Yale Law School and involved a nationally representative sample of 1500 U.S. adults.
European Airlines provide early data on carbon emissions, show slight reduction
May 16, 2012 07:42 AM - Staff, ClickGreen
Airlines operating in and out of European airports have complied with the EU Emissions Trading Scheme (EU ETS) and handed over data despite the refusal of carriers from China and India. The airlines have provided emission information ahead of the introduction of mandatory reporting. And according to the latest information provided by Member State registries released today, emissions of greenhouse gases from all installations participating in the ETS decreased by more than 2% last year.
A new study from the University of California, Davis, provides a deeper understanding of the complex global impacts of deforestation on greenhouse gas emissions. The study, published this week in the journal Nature Climate Change, reports that the volume of greenhouse gas released when a forest is cleared depends on how the trees will be used and in which part of the world the trees are grown.
The average US citizen is willing to pay 13 percent more for electricity in support of a national clean-energy standard (NCES), according to new research published by Yale and Harvard researchers. Americans, on average, are willing to pay $162 per year in higher electricity bills to support a national standard requiring that 80 percent of the energy be clean, or not derived from fossil fuels. Support was lower for a national standard among nonwhites, older individuals and Republicans.
Study links common household chemicals with rising rates of cancer
May 11, 2012 09:08 AM - ClickGreen staff, ClickGreen
Common household chemicals may be a contributing factor behind significant increases in cancers and falling fertility, according to a new study released by the European Environment Agency (EEA). The chemicals which disrupt the hormone system — also known as 'endocrine disrupting chemicals' (EDCs) — may also be responsible for the rising rate of diabetes and an increased number of neurological development problems in both humans and animals, according to a review of recent scientific literature commissioned by the EEA.
Researchers at the University of Hull are developing a way to produce constant supplies of sterile water, powered simply by sunlight and air. The device is aimed at remote communities where conventional systems using chemicals or electricity are not a viable option. The research — funded by the Sir Halley Stewart Trust — will make use of molecules which, in response to sunlight, produce a form of oxygen that is highly toxic. Lead researcher from Hull’s Department of Chemistry, Dr Ross Boyle, originally developed these molecules to attack cancer cells, but has spotted a new application for their use in the developing world.
Biodiversity loss significant impact on ecosystems
May 3, 2012 07:16 AM - Click Green Staff, ClickGreen
Loss of biodiversity appears to affect ecosystems as much as climate change, pollution and other major forms of environmental stress, according to results of a new study by an international research team. The study is the first comprehensive effort to directly compare the effects of biological diversity loss to the anticipated effects of a host of other human-caused environmental changes. The results, published in this week's issue of the journal Nature, highlight the need for stronger local, national and international efforts to protect biodiversity and the benefits it provides, according to the researchers, who are based at nine institutions in the United States, Canada and Sweden.