火力發電廠會產生更多放射性物質如鈾、釷: http://en.wikipedia.org/wiki/Fossil-fuel_power_station Radioactive trace elements A 1,000 MW coal-burning power plant could have an uncontrolled release of as much as 5.2 metric tons per year of uranium (containing 74 pounds (34 kg) of uranium-235) and 12.8 metric tons per year of thorium.[21] In comparison, a 1,000 MW nuclear plant will generate about 30 short tons of high-level radioactive solid packed waste per year.