We have a variety of activities that can consume the ... have condemned the practice of open air burning of the non-biodegradable waste material now linked to the production of hazardous chemicals ...
The Commission on Elections (Comelec) on Sunday appealed to aspirants to use campaign materials that are biodegradable to ...
Although the polymer is not adhesive in its original form, his lab successfully re-engineered its structure to provide stronger adhesion than common petroleum-derived, non-biodegradable ... to other ...