Over the last 20 years, the use of nuclear-generated electricity has avoided more than 1,700 million metric tons of carbon that would have been emitted by an equivalent number of coal-fueled power plants.
(the use of nuclear-generated electricity; has avoided; more than 1,700 million metric tons of carbon that would have been emitted by an equivalent number of coal-fueled power plants; T:Over the last 20 years) (more than 1,700 million metric tons of carbon; would have been emitted; by an equivalent number of coal-fueled power plants)
the use of nuclear-generated electricity more than 1,700 million metric tons of carbon
has avoided would have been emitted
more than 1,700 million metric tons of carbon that would have been emitted by an equivalent number of coal-fueled power plants T:Over the last 20 years
by an equivalent number of coal-fueled power plants