As a vital component inside smartphones, demand for tin has soared in recent years. One-third of the world’s tin comes from the Indonesian island of Bangka and Belitung, and that brings riches and ruin to the miners. /CFP Photo

Many miners are unlicensed, sailing out in repurposed fishing boats in the hope of finding new deposits with little experience, and no protection. /CFP Photo

A representative for the tin working group said it had two pilot projects aimed at improving worker safety and restoring land degraded by mining in development. /CFP Photo