Measuring Radioactivity in the Environment

26 years after Chornobyl, researchers found significant decreases in biodiversity in the Chornobyl exclusion zone, apparently directly correlated to the degree of radioactivity in the environment.

Cooling towers
Nuclear power plants endanger the environment surrounding them; in the case of a meltdown, radioactivity in the environment can remain at unlivable levels for thousands of years.
Photo by Fotolia/Aneese