Another article discusses the need for RoHS type laws to protect recyclers in China.
The openning paragraph tells it all:
"The air smells acrid from the squat gas burners that sit outside homes, melting wires to recover copper and cooking computer motherboards to release gold. Migrant workers in filthy clothes smash picture tubes by hand to recover glass and electronic parts, releasing as much as 6.5 pounds of lead dust."
The image above is that of scrap keyboards.