Long-term storage and improper disposal of this material may result in dioxin release into the environment and the contamination of human and animal food supplies.

长期储存以及不当处置这种材料可能导致二恶英泄漏到环境中，导致人类和动物食物污染。

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Europe and the United States for several hundred years of industrialization developed the pollution caused by long-term and paid a heavy price, land contamination as they face common problems.

欧美发达国家为其几百年工业化所造成的污染付出了长期而沉重的代价，土地污染成为他们共同面临的难题。

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Cesium remains the most widely dispersed isotope while concerns remain over long-term contamination from strontium and plutonium.

CNN: Chernobyl: Environmental dead zone or eco-haven?

It said several thousand people had died in accidents in ship-breaking yards over the past 20 years - not including deaths from long-term contamination.

BBC: NEWS | Europe | Asbestos ship 'can sail to India'

The world faces a wide range of serious, complex, and long-term water challenges, from shortages to contamination to local and regional disputes over water to long-term climate changes.

FORBES: Water Emergencies: Time for New Plans and Technology