The tank seems to pose obvious health and safety hazards, not to mention a parking violation and an eyesore.

Fears have been expressed by campaigners that the huge plant might pose serious health and social risks to people living nearby.

Counterfeited products, from toothpaste to toys, pose grave health and safety threats to consumers.

Nineteen percent of the asbestos found was deemed in poor condition and most likely to pose health threats.

They add that it "poses significant adverse health and economic consequences for individuals and corporations alike."

But evidence indicates that current nano-materials may pose significant health, safety, and environmental hazards.

So when the lights went out again earlier this month, the sewage spilled out again, causing beaches to close and posing health and environmental hazards.

That's because a long list of organic compounds, from PCB's to dioxins, contain chlorine and they all pose health and environmental risks.

The members believed the presence of US Navy nuclear-powered ships' presence in Victoria Harbour posed potential health and environmental risks to the city.

These pollutants may pose additional health and environmental problems when they enter human and animal diets.