Alexander Hellemans, Pollution
When recycling equates with quality raw materials
When recycling equates with quality raw materials Twenty five years ago, the German chemist Michael Braungart developed a new approach to recycling, now called "Cradle to Cradle" or "C2C" after the book, Cradle to Cradle: Remaking the Way We Make Things, which he and the American architect William McDonough published in 2002.
Sorting plastic waste: a magnetic game
Sorting plastic waste: a magnetic game More than one third of the total plastic production in Europe—about 14 million tonnes per year—are polyolefins, also known as polyalkenes.
Greener milk: how to make cow’s nitrogen intake efficient
Greener milk: how to make cow’s nitrogen intake efficient The amount of nitrogen that is excreted by livestock is directly proportional to the amount it is fed . This is according to Chris Reynolds a researcher in nutritional physiology of ruminants  at  the University of Reading , UK.
Forever recyclable novel plastic thanks to old tyres
Forever recyclable novel plastic thanks to old tyres Tyres are well suited for recycling. They are easy to collect and do not require any costly sorting process.  However, in Europe, still only about 50% of the tyres are recycled .
Turning tyres into gas for energy and new, valuable materials
Turning tyres into gas for energy and new, valuable materials Europe's tyre waste production is 3 million tonnes per year. Currently 65% to 70% of used tyres end up in landfills. Not only are they causing environmental damage, but a loss of added value in the form of new products that recycling can generate .