Knowledge, Attitudes, and Practices Towards Toxic and Hazardous Substances: The Case of Selected Communities in Bulacan, Philippines
Mendoza, M. E.T., Visco, E.S., Jimena, C.E.G., Amparo, J.S., and Mendoza, M.D. pp.1-18

Orders and Families of Philippine Pteridophytes
Marjorie Dida-Agun delos Angeles and Inocencio E. Buot Jr. pp.19-33

New Species of Hoya R.Br. (Apocynaceae) from the Philippines
Robert Dale Kloppenburg, Maria Luisa D. Guevarra, Jennelyn M. Carandang, and Faith S. Marana pp.34-48

Utilization of Agricultural Waste and Biological Agents to Increase Rice Yield
Oktavia S. Padmini and R.R. Rukmowati Brotodjojo pp.49-55

Audio-Visuality in Nature Studies: The Use of Video in Nature Research and Education
Primo G. Garcia and Grace J. Alfonso pp.56-63

Citizenship and Ecology: A Closer Look at Obligations, Rights, and Expectations to and from Nature
Marasigan, S.B. and Serrano, J.V. pp. 64-70

The Changing Climate and Its Implications to Capture Fisheries: A Review
K.H.M. Ashoka Deepananda and Edison D. Macusi pp.71-87

Anti-inflammatory activities of the aqueous extract of the stem of Tinospora crispa
Regina Lourdes B.Hipol, Maria Faye Nenette M. Cariaga, and Roland M. Hipol pp.88-95

Pollen contents of Apis mellifera Linn. honey from Davao City, Philippines
Rodelina A. Cunanan-Deyto, Analinda C. Manila-Fajardo and Cleofas R. Cervancia pp.96-102

The Promises of Chlorella vulgaris as the Best Alternative for Biodiesel: A Review
Lea C. Garcia pp. 103-124

Ricardo T. Bagarinao, PhD (University of the Philippines Open University), Inocencio E. Buot, Jr,. PhD (University of the Philippines Open University/University of the Philippines Los Baños),?Romeo A. Gomez, PhD (Benguet State University),?Florfe Acma, PhD (Central Mindanao University),?Lita B. Sopsop, PhD (Western Philippines University),?Teodora D. Balangcod, PhD (University of the Philippines Baguio),?Tito Evangelista, PhD (National Museum of the Philippines),?Beatriz S. Belonias, PhD (Visayas State University),?Geofe Cadiz, MSc (University of the Philippines Cebu),?Alvie Simonette Q. Alip, MSc (University of the Philippines Open University),?Anthea V. Mariano, MSc (University of the Philippines Open University),?Merites M. Buot, MSc (University of the Philippines Los Baños),?Janece Polizon, MSc (Central Mindanao University),?Lea Garcia, MSc (University of the Philippines Los Baños)