1. Land that has not been polluted or contaminated by hazardous substances, chemicals, or waste materials
The environmental organization works to preserve uncontaminated land for future generations.
A organização ambiental trabalha para preservar terra não contaminada para as futuras gerações.
2. Soil that remains free from pollutants and is suitable for agriculture or natural ecosystems
Uncontaminated land is essential for sustainable farming practices.
Terra não contaminada é essencial para práticas agrícolas sustentáveis.