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Waste

Walking on Eggshells

Written by , on February 28, 2014

According to the US Department of Agriculture, approximately 412,769 tonnes of discarded eggshells must be transported and disposed of in the US alone every year. Now scientists at the University of Aveiro in Portugal have developed a method of using this eggshell waste in the production of ceramics. The process involves incorporating crushed eggshells into […]  Read more »

Online Market for Waste Materials

Written by , on June 12, 2013

A new website, Harvestmap (Oogstkaart in Dutch) at http://www.oogstkaart.nl is an online marketplace for industrial-scale redundant and second hand materials. Harvestmap/Oogstkaart allows companies or individuals to list their supply of materials, components or even buildings to potential users. All materials, ranging from small quantities to continuous flows of industrial leftovers are represented. Participation allows you […]  Read more »

Mushrooms from Coffee

Written by , on June 6, 2013

98.8% of the coffee biomass is wasted in the process of making a cup of coffee. One group in the Netherlands is determined to make use of the waste. GRO Holland is recycling coffee grounds as a growth substrate for mushrooms. Waste grounds are collected from a network of cafes, mixed with oyster mushroom spores, […]  Read more »

Plastic Gyres in Oceans Will Grow for 500 Years

Written by , on January 22, 2013

A team of researchers, led by  Dr Erik Van Sebelle, at the Australian Research Council Centre of Excellence for Climate System Science say that it will take at least 500 years to stop the growth of five swirling masses of plastic waste in the world's oceans even if we could immediately stop any more plastic […]  Read more »

Producing Energy by Treating Waste Water

Written by , on August 13, 2012

Israeli company, Emefcy, has developed a microbe-based technology that harvests energy while treating waste water. The process starts with the same principle as most wastewater treatment – water is aerated so that bacteria in the liquid breaks down organic material. But instead of using electricity to push air into the water, Emefcy uses a permeable, […]  Read more »

The Death Throes of Printed Newspapers?

Written by , on July 20, 2011

Could the current scandals surrounding Rupert Murdoch and his News Corporation organisation be a sign that printed newspapers are in their death throes? Dubious behaviour in a corporation and its management is often a sign of a failing business desperate for revenue. Printed newspapers are a relic of the industrial age and News Corporation seems […]  Read more »

Cleaning Up Fukushima with “Blue Goo”

Written by , on June 20, 2011

Japanese authorities are using a blue liquid that hardens into a gel that is then peeled off surfaces, taking microscopic particles of contaminants, including radioactive pollutants, with it to clean up the contamination caused by the Fukushima nuclear disaster. The "blue goo", or DeconGel, was discovered by accident in 2009 at the Hawaiian venture capital […]  Read more »

Solar Rubbish Dumps

Written by , on May 19, 2011

African Renewable Energies, a small London–based firm, aims to help poor communities in developing countries earn money and generate electricity from the innumerable rubbish tips around African cities. The idea is to cover landfill sites with thinfilm solar phovololtaic cells printed on to the flexible membranes used to cap landfills. Landfills in Africa are often […]  Read more »

Floating Islands Clean Waterways

Written by , on March 12, 2011

In 2000, Bruce Kania’s black dog, Rufus, jumped into a pond and came out red. Concerned for his dog and wondering what was going on, Bruce also saw a tremendous opportunity for invention, if he could develop a new and natural stewardship tool which could clean water and, in the process, improve life for all […]  Read more »

Recycling 100% of Plastic

Written by , on January 20, 2011

It is estimated that only about 12 percent of plastic sent to depots actually gets recycled. Because of problems such as glued-on paper labels and different types of plastic combined in one product, the rest goes to the landfill or is burnt. Scientists at the University of Warwick have now devised a system that could […]  Read more »