Saya hendak bertanya, apakah ada yang cara menghitung emisi karbon
yang sederhana untuk anak sekolah? Misal menghitung berapa karbon yang
dihasilkan jika menggunakan sepeda motor, mobil.
Jabat erat,
HD
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"I want to continue my education to Holland, because Holland will
prepare me better for the great task I have chosen" (Kartini's letter
to Mrs. Ovink Soer, 1900)
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