SunStar Revisiting solid waste segregation WASTE AT WATERSHEDS. IDIS staff conducts clean-up and waste audit at the wetlands at Sitio Gravahan, Matina and Brgy. Bucana, Davao City early February 2021. In this clean-up drive, almost seven sacks of assorted solid waste were collected. Most of the waste was plastic materials. (Photo by Idis) The Yellow Drum Project is an initiative by Davao Thermo BioTech Corp that uses technology to convert biodegradable waste into useful resources. After the 4th drum, subscribers may receive incentives such as this potting mix. (Photo by DTBC) (Photo by Idis) February 14, 2021 WHEN we throw away the vegetable and fruit peeling in our kitchen garbage can or the empty shampoo and conditioner sachets, the destination of these solid wastes are usually the least of our concern. We take the trash out when it’s full to the designated collection points in our barangay and forget about them once the City Environment and Natural Resources Office (Cenro) garbage trucks collect them around 9 p.m. to 10 p.m.