1. The science and sociology of restoring asia’s tropical forest ecosystems
Stephen Elliott

2. A study on the distribution of papilionidae in thailand based on statistical analysis
Turenjai Doolgindachbaporn, Chutinan Choosai, Toshiaki Aoki, Shuhei Yamaguchi and Shin’ichi Okamoto

3. Transboundary air pollution in relation to open burning in upper southeast asia
Souninthone Choommanivong, Wan Wiriya, and Somporn Chantara

4. Effects of overcrowded traffic and road construction activities in bangkok on pm2.5, pm10 and heavy metal composition
Paphinwit Thammasaroj and Wanida Jinsart

5. Assessment of the lower ping river’s riverbank erosion and accretion, northern thailand using geospatial technique; implication for river flow and sediment load management
Nikhom Chaiwongsaen, Montri Choowong

6. Microplastic pollution in surface water of the chao phraya river in ang thong area
Anh Ta and Sandhya Babel

7. Investigation of hydrogen-based denitrification performance on nitrite accumulation under various bicarbonate doses
Suphatchai Rujakom, Kenta Shinoda, Tatsuru Kamei, Futaba Kazama

8. Micro-particle zvi inhibition threshold in cassava pulp bio-methanation
Htay Aung Pyae, Win Win Aye, Chatpet Yossapol, and Somchai Dararatana

9. Environmental evaluation on rigid polyurethane foam disposal from refrigerator waste in thailand
Soraya Suwannafon, Nattharika Rittippant, Alice Sharp, Shigeo Nishikizawa, Pawadee Methacanon, Noramon Intaranont, Premrudee Kanchanapiya

10. Utilization of bagasse ash in interlocking block production
Rungroj Piyaphanuwat, and Suwimol Asavapisit