IB Chemistry: Waste

Scavenging for waste metal in Freetown, Sierra Leone This topic can be used to good effect for both "Aim 8" and CAS (Creativity, Action & Service). One of the problems with putting waste into landfill in many developing countries is that children earn a living by working (sometimes actually living) on the sites scavenging and recycling metals and other materials. This hazardous practice violates the human rights...

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