Lichen: Air Quality Bioindicator

  Today I prepared an exam for my students on environmental monitoring and the coverage of the said exam is about biological indicators or the use of organisms as predictors of alterations or changes in the environment. There are different kinds of biological monitoring in assessment of the environment. For air quality, lichens are used…

Cleanest and Greenest City: Puerto Princesa

Have you ever been to Palawan? I hope you did because it is such a nice place to visit. Aside from having top tourist destinations, the proper waste disposal is another thing that is worth noting for. It has been the culture in the province since the implementation of the Oplan Linis Program in 1992.…