Why did many people change their minds about the a-bomb after World War II?

Question

a) After the destruction at Hiroshima and Nagasaki, they worried that continued use of atomic bombs might severely damage the Earth and permanently change its climate.
b) People became aware of the limitations and expense of atomic bombs for use in conventional warfare.
Consider This: Many Nobel laureates were of the opinion that any weapons in existence, including nuclear weapons, would almost certainly be used in any future global conflicts. See 14.1: The Fighting Ends.
c) The United Nations outlawed the use of nuclear weapons in its foundation charter.
Consider This: Many Nobel laureates were of the opinion that any weapons in existence, including nuclear weapons, would almost certainly be used in any future global conflicts. See 14.1: The Fighting Ends.
d) The United States and the Soviet Union were worried that other countries would also get nuclear weapons and use them.
Consider This: Many Nobel laureates were of the opinion that any weapons in existence, including nuclear weapons, would almost certainly be used in any future global conflicts. See 14.1: The Fighting Ends.

Answer 1

a) After the destruction at Hiroshima and Nagasaki, they worried that continued use of atomic bombs might severely damage the Earth and permanently change its climate.