Chemical pollution has a serious impact on the health of the Earth.

Marine pollution is a global issue, and all countries should cooperate to find a solution.

We should seriously address the issue of water pollution.

Genetic contamination may have serious impacts on biodiversity in the natural world.

This area is off-limits due to radioactive contamination.

We should recycle to prevent environmental pollution.

Thermal pollution can potentially have serious effects on marine life.

This area is affected by background pollution.

We camped in a densely wooded area.

Groundwater pollution has become a serious environmental problem.