The online rumor has left internet users terrified about a so-called "zombie outbreak" in China.
The environmental organization conducted its own survey at Chernobyl after "very limited data" was provided by the International Atomic Energy Agency.
Greenpeace is investigating radiation levels at Chernobyl after 600 Russian soldiers were deployed there.
Renewable energy from wind and solar power produced more electricity in the U.S. than nuclear energy for the first time in April.
The Bataan Nuclear Power Plant in the Philippines is located only 5 miles from Mount Natib, which experiences frequent earthquakes.
A former Department of Energy scientist and NASA engineer told Newsweek all about the conditions of Three Mile Island today and its levels of radioactivity,
Leonid Bolshov's comments follow stories of Russian soldiers disturbing the ground in the exclusion zone and taking "souvenirs" from the site.
A team of experts will visit the Chernobyl nuclear power plant to deliver equipment and assess the site that was occupied by Russian forces for five weeks.
The agency said that such an irresponsible act should result in the soldiers receiving the "Darwin Prize."
Russian troops withdrew from the nuclear power plant last week, over a month after taking control of the area on February 24.
Ukrainian state-owned nuclear company Energoatom said Russians have also left Slavutych, a town close to the plant where workers live.
The soldiers had been reportedly digging in the Red Forest, which lies in the exclusion zone around the site of the nuclear power plant.
Russian Foreign Ministry Spokeswoman Maria Zakharova claims Moscow was protecting the nuclear plant.
A Ukrainian nuclear official said he is worried because "looters" raided the site's radiation monitoring lab, taking materials that could create a "dirty bomb."
Ukraine's Center for Strategic Communications and Information Security said seven wildfires are burning in the area surrounding the nuclear power plant.
After the site of the world's worst nuclear disaster became a battle zone between Russia and Ukraine, an earthquake hit a site near the second-worst incident.
Fears Russia will attack nuclear plants or detonate a nuclear weapon amid the war in Ukraine are driving people in European countries to buy the thyroid gland drug.
Russian forces have once again damaged an electricity supply line to the nuclear site, a Ukraine power company has said, putting safety measures at risk.
"There are foreign mercenaries moving along the Belarusian border towards the Chernobyl power station," Lukashenko claimed.
An international nuclear energy monitor says the situation at the infamous facility remains safe, but crews face challenges in restoring power.
"I remember Chernobyl. I know what influence radiation has on people's lives," Member of Parliament Kira Rudyk said.
Ukrainian authorities said the plant's power was already shut off on Wednesday and warned of "nuclear discharge."
The Kharkiv Institute of Physics and Technology has nuclear material and a reactor on its site.
Ukrainian Foreign Minister Dmytro Kuleba has said there must be a ceasefire to allow repairs.
Employees at Chernobyl who were working the day Russians invaded are still there, causing concern about the stresses they are experiencing.
Timothy Mousseau, a professor of biological sciences, told Newsweek that military action in Chernobyl could be dangerous to the animals living there.
International Atomic Energy Agency director Rafael Mariano Grossi said he was "extremely concerned" by Russia violating security protocols at the plant.
The Russian military has taken over the Zaporizhzhia Nuclear Power Plant, Europe's largest nuclear power plant.
Ukrainian presidential adviser Mykhailo Podolyak called the seizure of the site of the worst nuclear disaster in history "one of the most serious threats to Europe today."