Semua Murid Semua Guru, berarti pendidikan adalah tanggung jawab kita. Bukan hanya murid dan guru yang setiap hari (seperti saya) berada di sekolah, tetapi Anda dan teman Anda sesama orangtua, sesama pekerja, dan sesama warganegara. Pendidikan kita berada dalam kegawatdaruratan. Pendidikan kita membutuhkan percepatan perbaikan. Anak Indonesia butuh ditumbuhkan kebahagiaan, kemandirian, dan k…
Nobody has everything they need, all the time. So how can we make do with what we have? Economics is all about understanding the choices we make to solve this problem.
Water is an essential resource for life on Earth. Considering how vital and precious water is, it is almost unbelievable that it can be used so carelessly. Sewage, toxic chemicals, fertilizers, pesticides, oil, metals, and solid trash pollute the water in lakes, streams, and oceans around the world. Water Resources explores the ways in which water on Earth has become polluted--and what people a…