News

Paving Slabs Clean the Air

Innovative paving slabs that are coated in titanium dioxide nanoparticles can reduce the amount of nitrogen oxide in the air. Titanium dioxide is a photocatalyst; it uses sunlight to accelerate a naturally occurring chemical reaction, the speed of which changes with exposure to light.

Posted in: GDM, News, News, Energy, Solar Power, Government, Government Initiatives, Green Design & Manufacturing, Remediation Technologies

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Open Software Platform Helps Save Energy

Starting in 2011, energy suppliers in Germany will be required to offer electricity at variable rates under the German Energy Act. A new energy management software platform will enable customers to opt for flexible electricity rates, so that they can purchase power at times when it is available more cheaply. Another advantage is better utilization of the power grid.

Posted in: GDM, News, News, Energy, Energy Efficiency, Renewable Energy, Solar Power, Wind Power, Government, Government Initiatives

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Sustainable Biochar to Mitigate Climate Change

By producing biochar - a charcoal-like substance made from plants and other organic materials - up to 12 percent of the world's human-caused greenhouse gas emissions could be sustainably offset, which is more than what could be offset if the same plants and materials were burned to generate energy.

Posted in: GDM, News, News, Biomass, Energy, Renewable Energy, Green Design & Manufacturing, Greenhouse Gases, Remediation Technologies

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Switchgrass Lessens Soil Nitrate Loss Into Waterways

By planting switchgrass and using certain agronomic practices, farmers can significantly reduce the amount of nitrogen and nitrates that leach into the soil, according to Iowa State University research.

Posted in: GDM, News, News, Biomass, Energy, Renewable Energy, Green Design & Manufacturing, Remediation Technologies

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With the prevalence of e-readers, will e-books eventually replace printed books?

This week's Question of the Week concerns the battle between digital volumes and their printed counterparts. From Amazon's Kindle and Apple's iPad to Sony's e-Reader and Barnes & Noble's Nook, digital reading is obviously here to stay. This is especially true when you take into account how Amazon recently reported that for the first time, e-book sales have overtaken hardcover sales. And, because of their own plummeting sales, mega-retailer Barnes & Noble is currently looking for a buyer to purchase the bookstore chain. What do you think? With the prevalence of e-readers, will e-books eventually replace printed books? Yes or no?

Posted in: Question of the Week

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Is WikiLeaks a threat to national security?

This week's question concerns the recent story about the nearly 92,000 classified U.S. Military documents leaked by the Web site WikiLeaks.org. The organization's Web site claims, "We believe that transparency in government activities leads to reduced corruption, better government, and stronger democracies"; however, critics of the site maintain that it jeopardizes military operations and endangers the privacy rights of others. What do you think? Is WikiLeaks a threat to national security? Yes or no?

Posted in: Question of the Week

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Making Hydrogen From Waste Vegetable Oil

Researchers at the University of Leeds have found an energy-efficient way to make hydrogen out of used vegetable oils discarded by restaurants and other establishments. The process generates some of the energy needed to make the hydrogen gas itself and is also essentially carbon-neutral.

Posted in: GDM, News, News, Energy, Energy Efficiency, Alternative Fuels, Green Design & Manufacturing, Greenhouse Gases

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