On the other hand, today we have the ability to understand environmental threats, and act to contain them.

Climate change is now the most serious global environmental threat.

A company spokesman said the environmental threat is "almost nonexistent."

Pollution is seen as the single most important environmental threat by 62 percent of the adults surveyed.

The development has been called a major environmental threat by park officials.

Either way, it represents the greatest environmental threat the world now faces.

But that does not mean the environmental threat has ended.

He cited environmental threats and a desire to keep down the island's population.

The more people who see it, the bigger the environmental threat to the work may be.

The main environmental threat to human health in many cities today is from exposure to air pollution.