Charcoal Could Help Clean Polluted Water
The charcoal, called biochar, could remove organic, some inorganic, and microbiological contaminants from water, experts say.
SciDev.Net, 7 January 2015
As the UN's COP 20 climate negotiations in Lima slowly progressed last month, I went on a journey through the Sacred Valley of the Incas, a valley close to Cusco, the capital of… Read more »
New Era, 29 September 2015
Much of Namibia's rangeland has become less productive and encroached by bushes due to interlinked causes related to mismanagement. An option that rarely receives consideration is… Read more »