🔴 Major Environmental Impacts
1. Radioactive Waste
Some rare earth ores (like monazite) contain thorium or uranium, which are radioactive.
Processing generates radioactive tailings that can contaminate soil and water if not properly managed.
2. Toxic Chemical Use
Extraction involves strong acids (like sulfuric and hydrochloric acid) and other reagents.
Leaching and solvent extraction steps produce toxic sludges and wastewater.
If mishandled, these chemicals can leak into rivers, groundwater, and agricultural land.
3. Air Pollution
Mining and processing can release particulate matter, sulfur dioxide, and fluorine compounds into the air.
Smelting and burning of materials can emit greenhouse gases and other hazardous substances.
4. Water Pollution
Acid mine drainage and heavy metal runoff are common.
In places like China’s Bayan Obo mine, groundwater and rivers have been heavily contaminated.
5. Land Degradation
Open-pit mining removes large surface areas, leading to deforestation, habitat destruction, and soil erosion.
Tailings ponds (for storing waste) can leak or collapse.
🟡 Country Differences
China, which produces ~60–70% of the world's rare earths, has seen severe environmental damage in mining regions like Inner Mongolia and Jiangxi.
In contrast, countries like the U.S., Canada, and Australia enforce stricter environmental controls, making the process cleaner but more expensive.
$IDR
Bearish
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