Fun learning methods are one of the things that need to be done to attract children's interest in learning. Learning about the environment is also important...

Waste is one of the main problems in Indonesia. In 2016, household waste in Indonesia reached 65,200,000 tons per year, causing environmental problems. This is...

Sampah adalah salah satu masalah utama di Indonesia. Pada tahun 2016, sampah rumah tangga di Indonesia mencapai 65.200.000 ton per tahun sehingga menimbulkan...