The great water footprint conundra: Is a smaller foot print really better than a large one? (IWMI) - YouTube
ater footprints measure the amount of water consumed or applied in the production of a good or service. A single cup of coffee, for example, has a water foot print of 140 liters of water. The concept is widely publicized and is now beginning to influence government policy. But according Dennis Wichelns, professor at the Institute of Water Policy National University of Singapore, that is a mistake ... read more >>
The goal of SimBethel is to upgrade the levee around Bethel Island to the highest safety standard. Players are responsible for their own levee section. They can upgrade their section out-of-pocket or build houses to generate revenue for improvements. However, without development it is almost impossible to win; there is not enough revenue generated to strengthen the levee. Players have to find a b ... read more >>
Plans for a huge wind farm off the north Devon coast have been shelved.
Developer RWE Innogy is pulling the plug on the 240-turbine Atlantic Array project, the Department of Energy and Climate Change (DECC) told the BBC.
The scheme, which had not yet received the go-ahead, had attracted criticism, with environmentalists worried about its impact on marine wildlife in the Bristol Channel.
... read more >>
Even if carbon dioxide emissions came to a sudden halt, the carbon dioxide already in Earth's atmosphere could continue to warm our planet for hundreds of years, according to Princeton University-led research published in the journal Nature Climate Change. The study suggests that it might take a lot less carbon than previously thought to reach the global temperature scientists deem unsafe. ... read more >>
New data collated by Oil Change International (OCI) shows how global fossil fuel reserves are growing, while the world's remaining carbon budget is shrinking. As a result, the proportion of fossil fuel reserves that are 'unburnable' is growing quickly. The original version of this graphic was made by Kiln for OCI.
Scientists agree that at least two thirds and possibly more of the world’s current ... read more >>
New secrets revealed in the ancient city of Persepolis (the capital of ancient Persia), water and sewage systems are in Tkhtgah. Water supply and sanitation in Persepolis winding underground passages discovered that over more than 2 km to Rsdf more rainwater is directed into the channel. Achaemenid architecture that meets the specifications made in some sections five to six meters high. These str ... read more >>
Among the most impressive ecological findings of the past 25 years is the ability of invasive plants to radically change ecosystem function. Yet few if any studies have examined whether ecosystem impacts of invasions persist over time, and what that means for plant communities and ecosystem restoration.
Read more at: http://phys.org/news/2013-11-impacts-invasions-robust.html#jCp ... read more >>
Ph.D. student Karita Negandhi and professor Isabelle Laurion from INRS'Eau Terre Environnement Research Centre, in collaboration with other Canadian, U.S., and French researchers, have been studying methane emissions produced by thawing permafrost in the Canadian Arctic. These emissions are greatly underestimated in current climate models. Their findings, published in the journal PLOS ONE, illust ... read more >>
Earlier this month, just days after voters in Colorado and Ohio went to the ballot box to protect their communities against the demonstrably dangerous oil and gas drilling process known as fracking, Interior Secretary Sally Jewell delivered a proclamation that only served to highlight just how much misguided faith the Obama administration has invested in the oil and gas industry and its quest to ... read more >>
The flight season timing of a wide variety of butterflies is responsive to temperature and could be altered by climate change, according to a UBC study that leverages more than a century's worth of museum and weather records. ... read more >>