How does Chernobyl s effect measure up to the atomic bombs dropped on Hiroshima and Nagasaki?
The accident at Chernobyl was approximately 400 times more potent than the atomic bomb dropped on Hiroshima. However, the atomic bomb testing conducted by several countries around the world during the 1960s and 1970s contributed 100 to 1,000 times more radioactive material to the environment than Chernobyl.