The polythene industry in Sri Lanka is being shifted towards the use of compostable raw materials to manufacture food wrapping - films (lunch sheets) after the prohibition of films which are less than 20 microns. Nevertheless, ...

The macrophyte based constructed wetlands (CWs) are economically feasible, easy to manage and an effective phyto-remediation method to treat sewage sludge safely. These wetlands have also been used for the removal of human ...