The Piyungan integrated waste disposal site receives about 300 tons of daily waste every day. Based on the findings of the Environmental Office of the Special Region of Yogyakarta, each household produces around 0.7 to 1 kilogram of waste per day. Cumulatively, every day 100...

Javanese farmers traditionally use memedi sawah or scarecrow to protect their crops, especially rice, from bird attacks. The custom of installing memedi  sawah as part of local ecofriendly tradition ...

During the COVID-19 pandemic, the government encouraged the implementation of online learning at schools and higher education. Online learning is quite effective in preventing the spread of Covid-19, but this distance learning model is less effective and poorly affects the...

Volcanic activity in Indonesia sometimes causes eruptions accompanied by volcanic ash, which causes a decrease in air quality in the area around the mountain. The decrease in air quality by volcanic ash is caused by chemical gases such as CO, NO2, and SO2, so any long exposure to volcanic ash may cause acute respiratory infection (ARI). Unfortunately, the N95 masks that the public has used have not effectively filtered volcanic ash less than 300nm in size. In addition, the polymer content...