Mabola – Wakkerstroom

Everyone has the right to an environment that is not harmful to their health or well-being; and to have the environment protected, for the benefit of present and future generations, through reasonable legislative and other measures that prevent pollution and ecological degradation; promote conservation; and secure ecologically sustainable development and use of natural resources while… Continue reading Mabola – Wakkerstroom

Water (purification) – Science news

Using light, a prototype “green” material can purify enough daily drinking water for four people in just one hour. In tests, it killed nearly 100 percent of bacteria in 10 liters of water, researchers report February 7 in Chem.  Materials scientist Guoxiu Wang of the University of Technology Sydney and colleagues created ultrathin sheets of graphitic… Continue reading Water (purification) – Science news