
The official decision to shut down the Chernobyl Nuclear Power Plant was made in 1999.

Bacteria in the Chernobyl Nuclear Power Plant can metabolize caesium.

The temperature inside the Chernobyl sarcophagus is now about 40°C.

Bacteria living in the Chernobyl sarcophagus can use uranium in their metabolism.

Ukraine is creating a new laboratory in Chernobyl.

The European Union co-founded the new laboratory in Chernobyl.

The new Chernobyl laboratory is planned to be fully equipped by 2030.

The new laboratory in Chernobyl is expected to be fully equipped by 2030.

Bacteria in the Chernobyl Nuclear Power Plant can metabolize plutonium.

The current temperature inside the Chernobyl sarcophagus is about 40 degrees centigrade.

Bacteria living in the Chernobyl sarcophagus can use americium in their metabolism.

High-radiation-resistant organisms evolved at Chernobyl within about 35 years.

Organisms able to endure very high radiation doses evolved in the Chernobyl reactor environment within about 35 years.

Wheat takes up fewer radionuclides from soil than peas or oats in Chernobyl-contaminated areas.

Ukraine co-founded the new laboratory in Chernobyl.

The new laboratory in Chernobyl is co-founded by Ukraine.

Best estimates put Chernobyl's excess deaths at roughly 15,000.

Roughly 15,000 excess deaths were caused by the Chernobyl accident.

Pripyat evacuees were told to take three days' worth of belongings.

The three Chernobyl reactors that did not explode were put back online in 1986.

The personnel brought in for the Chernobyl cleanup were mostly military personnel.

Researchers found bacteria that increased radionuclide bioaccumulation by plants by 3%.

Researchers found bacteria that increased radionuclide bioaccumulation by 3%.

The areas most contaminated by Chernobyl fallout matched wind patterns on the day of the accident.

The areas with the most Chernobyl contamination matched the wind patterns on the day of the accident.

Water accounted for roughly 1% to 2% of the total internal radiation dose received by people in the Chernobyl region after the accident.

The decision to shut down the Chernobyl Nuclear Power Plant was made in 1999.

The decision to shut down the pumps for Chernobyl's cooling ponds came about 15 years after the decision to shut down the Chernobyl Nuclear Power Plant.

Radioactivity in some residual lakes of the Chernobyl cooling pond increased 100-fold.

Radioactivity levels in some local lakes near the Chernobyl cooling ponds increased 100-fold after the ponds were allowed to drain to natural levels.

Iodine contamination of milk after Chernobyl was important during the first two weeks after the accident.

Contaminated milk can be processed into butter or cheese that becomes clean after about two months.

Wildlife remained in the Chernobyl exclusion zone after humans were evacuated.

Scraping off the top five centimeters of contaminated soil is a highly effective remediation method after a radionuclide release.

Soil remediation in the Fukushima region included scraping off the top five centimeters of soil across large areas.

Japan scraped off the top five centimeters of soil across large areas as remediation after the Fukushima accident.

The Fukushima area is prized for particular rice varieties.

The Pripyat River is contaminated.

The new laboratory in Chernobyl is co-founded by the European Union.

Germany turned off all of its nuclear reactors after the Fukushima accident.

Germany shut down all of its nuclear reactors after the Fukushima accident.

Germany was one of the world's major nuclear energy powers before turning off its reactors after Fukushima.

Operators' attempted response to stabilize the Chernobyl reactor caused the reactor to run out of control.

Chernobyl's other three reactors were put back online in 1986.

The destroyed Chernobyl reactor was buried under an enormous concrete structure.

Many different kinds of bacteria live inside Chernobyl Reactor 4.

In the Chernobyl-affected region, water accounted for about 1% to 2% of people's total internal radiation dose after the accident.

Groundwater beneath Chernobyl's cooling ponds acted as a natural barrier against more contaminated water closer to the plant.

Water beneath the Chernobyl cooling ponds acted as a natural barrier limiting movement of more contaminated water near the plant.

Iodine concentration in milk reached levels of hundreds of thousands of Becquerels per liter in the weeks following the Chernobyl accident.

Large milk farms can monitor milk contamination using a dosimeter placed in a plastic bag inside a milk tank.

Some large animal populations in the Chernobyl exclusion zone became higher than before the accident.

The Chernobyl exclusion zone ecosystem improved dramatically in the decades after the accident.

The Chernobyl exclusion-zone ecosystem recovered from the effects of the accident in the decades after 1986.

Major damage to animal populations from radiation requires very high doses.

Aquatic insect populations are thriving in the Chernobyl exclusion zone.

Ukrainian Chernobyl scientists were sought after for advice after the Fukushima accident.

Japan scraped off the top five centimeters of soil across large areas after the Fukushima accident.

Ukraine and the European Union are co-funding a new nuclear and radiation research laboratory in Chernobyl planned for 2030.

The action taken to restore Chernobyl reactor stability caused the reactor to surge.

Steam buildup blew off the top of the Chernobyl reactor.

Pripyat was evacuated just after the Chernobyl disaster.

Many kinds of bacteria live inside the destroyed Chernobyl reactor.

Bacteria inside the destroyed Chernobyl reactor participate in biocorrosion.

Bacteria inside the destroyed Chernobyl reactor help corrode fuel-containing material.

The fuel-containing material in Chernobyl Reactor 4 contains metal.

Some bacteria can increase bioaccumulation of radionuclides by plants.

Russian forces are using chemical weapons in Ukraine.

Russia is using chemical weapons in Ukraine.

Chemical weapon use by Russian forces is contaminating Ukrainian territory.

Strontium from Chernobyl remains present in considerable amounts.

Radioactive strontium from Chernobyl remains in the environment in considerable amounts.

Food was a significantly larger contributor to the internal radiation doses of people in the Chernobyl region than water.

Radioactivity increased rapidly in some small local lakes after the Chernobyl cooling pond water level dropped.

Radioactivity levels rose rapidly in some small local lakes after the Chernobyl cooling-pond water level fell.

Radioactivity in residual lakes of the Chernobyl cooling pond increased by about 100 times.

Potatoes take up fewer radionuclides from soil than peas or oats in Chernobyl-contaminated areas.

Wheat and potatoes absorb lower levels of radionuclides from contaminated soil than peas or oats.

Iodine-contaminated milk was the most important Chernobyl-related contamination pathway for the population.

Iodine concentrations in milk after the Chernobyl accident reached hundreds of thousands of becquerels per liter.

Radioactive iodine concentrations in milk after Chernobyl reached hundreds of thousands of becquerels per liter.

Some large-animal populations in the Chernobyl exclusion zone became higher than before the 1986 accident.

The Chernobyl exclusion-zone ecosystem improved dramatically in the decades after the accident.

The Chernobyl cooling pond supports a diverse aquatic ecosystem.

Chronic radiation doses around Chernobyl a few months after the accident were not expected to cause major damage to adult animal populations.

Radiation has caused subtle effects on fish reproduction in the Chernobyl exclusion zone.

Fish populations are thriving in the Chernobyl exclusion zone.

Ukrainian Chernobyl scientists were sought after as advisers after the Fukushima accident.

Russian forces ransacked the Chernobyl site as they left.

Russian forces ransacked the Chernobyl site during their withdrawal.

Chernobyl's New Safe Confinement is no longer fit for purpose after the drone strike.

The New Safe Confinement above Chernobyl Reactor Number 4 needs about €500 million in repairs.

Repairs to Chernobyl's New Safe Confinement are estimated at about €500 million.

Germany began shutting down its nuclear power reactors following the 2011 Fukushima accident.

The Chernobyl nuclear disaster is the world's worst nuclear energy disaster.

Chernobyl is the site of the world's worst nuclear energy disaster.

An overnight safety test was being carried out at Chernobyl when the 1986 accident occurred.

Engineers disabled safety systems during an overnight safety test at Chernobyl in 1986.

Engineers disabled some safety systems before the Chernobyl reactor became unstable in 1986.

The Chernobyl reactor became unstable during the 1986 safety test.

The 1986 Chernobyl accident blew off the top of the reactor.

The 1986 Chernobyl accident blew off the top of the reactor building.

The Chernobyl accident scattered radioactive graphite.

The Chernobyl accident scattered radioactive graphite around the site.

The Chernobyl accident released more than 100 different kinds of radioactive particles.

A radioactive cloud from the Chernobyl accident reached Western Europe.

The radiation cloud from the Chernobyl accident reached Western Europe.

Two staff members died on the night of the Chernobyl accident.

Two Chernobyl staff members died on the night of the 1986 accident.

About 28 people with acute radiation syndrome died in the immediate aftermath of the Chernobyl accident.

Around 28 people with acute radiation syndrome were among the deaths caused by the Chernobyl accident.

Ionizing radiation can damage DNA.

Ionizing radiation can cause or initiate cancer.

Ionizing radiation can initiate cancer.

Radiation exposure can increase risks for health problems that may not appear for decades.

Radiation mortality estimates for Chernobyl use data from the atomic bombings of Japan.

Pripyat was the company town where Chernobyl workers were housed.

Pripyat housed Chernobyl workers.

Pripyat was evacuated shortly after the Chernobyl disaster.

Pripyat evacuees never returned to live in Pripyat.

The Chernobyl Nuclear Power Plant had four reactors.

Chernobyl Reactor 4 exploded in 1986.

Chernobyl's fourth reactor was the reactor that exploded.

The Chernobyl Nuclear Power Plant kept producing power until 2000.

Hundreds of thousands of personnel were brought in to clean up after the Chernobyl accident.

Hundreds of thousands of personnel were brought in for the Chernobyl cleanup.

Przewalski's horses were introduced into the Chernobyl Exclusion Zone.

Chernobyl Reactor 4 remained highly radioactive nearly four decades after the accident.

The destroyed Chernobyl reactor remains radiologically very hot.

The Chernobyl sarcophagus was built in 1986.

The Chernobyl sarcophagus was hastily built in 1986.

The New Safe Confinement covers the Chernobyl sarcophagus.

The Chernobyl sarcophagus is now covered by the New Safe Confinement.

Bacteria inside Chernobyl Reactor 4 participate in biocorrosion.

The fuel-containing material in Chernobyl Reactor 4 contains concrete.

The fuel-containing material in Chernobyl Reactor 4 contains melted uranium fuel.

The environment inside the damaged Chernobyl reactor was sterile after the accident.

Some bacteria can accumulate in uranium mines.

Some bacteria can increase plants' bioaccumulation of radionuclides.

Russia's use of chemical weapons is contaminating Ukrainian territory.

Unexploded substances from the war in Ukraine are highly toxic.

Residues from unexploded substances in Ukraine are highly toxic.

Chernobyl radiation fallout was unevenly distributed.

Chernobyl's radioactive fallout was unevenly distributed.

Iodine-131 posed a particular danger to children after the Chernobyl accident.

Iodine-131 has a half-life of about eight days.

Consumption of iodine-131 after Chernobyl caused many cases of thyroid cancer.

Early consumption of iodine-131 after Chernobyl led to many thyroid cancer cases.

Chernobyl-related thyroid cancer cases were particularly common among young people.

Many Chernobyl-related thyroid cancer cases occurred among young people.

Thyroid cancers linked to Chernobyl exposure caused relatively few deaths.

Cesium radionuclides released by Chernobyl have half-lives of tens of years.

Strontium radionuclides released by Chernobyl have half-lives of tens of years.

Radioactive cesium released by Chernobyl has a half-life measured in tens of years.

Radioactive strontium released by Chernobyl has a half-life measured in tens of years.

Cesium from Chernobyl remains present in considerable amounts.

Radioactive cesium from Chernobyl remains in the environment in considerable amounts.

In the Chernobyl-affected region, food accounted for most of people's internal radiation dose after the accident.

Food accounted for most of the total internal radiation dose received by people in the Chernobyl region after the Chernobyl accident.

The water level in Chernobyl's cooling pond fell to natural-level conditions after the cooling-pond pumps were shut down.

The water level in the Chernobyl cooling pond fell to natural levels after the pumps were shut down.

Chernobyl's cooling ponds were kept topped up with river water until 2014.

The Chernobyl cooling ponds were kept topped up with river water until 2014.

The Chernobyl cooling ponds were topped up with river water until 2014.

Mushrooms strongly concentrate radionuclides from soil in Chernobyl-contaminated areas.

Mushrooms are among the foods that concentrate radionuclides from contaminated soil at high levels.

Wild berries strongly concentrate radionuclides from soil in Chernobyl-contaminated areas.

Wild berries are among the foods that concentrate radionuclides from contaminated soil at high levels.

Radionuclides from contaminated grasses around Chernobyl entered cow's milk after cows grazed on the grasses.

Radionuclides from contaminated pasture grasses entered cow's milk after the Chernobyl accident.

Milk was an important route for early radiation dose among people in the Chernobyl region after the accident.

Milk contaminated with radioactive iodine was the most important population exposure pathway after the Chernobyl accident.

The radioactive iodine involved in Chernobyl milk contamination has a half-life of about eight days.

Radioactive iodine has a half-life of approximately eight days.

During the first two weeks after the Chernobyl accident, people lacked information about the actual contamination of milk.

During the first two weeks after Chernobyl, people lacked information about the true contamination of milk.

During the first two weeks after Chernobyl, people consumed contaminated milk.

Humans were evacuated from the Chernobyl exclusion zone after the accident.

Wildlife and many other animals stayed in the Chernobyl exclusion zone after the accident.

Lynx returned to the Chernobyl exclusion zone after the Chernobyl accident.

Lynx returned to the Chernobyl exclusion zone after the 1986 accident.

Przewalski's horses were introduced to the Chernobyl exclusion zone as part of environmental conservation efforts.

Przewalski's horses were introduced to the Chernobyl exclusion zone.

Przewalski's horses were introduced into the Chernobyl exclusion zone.

The Chernobyl cooling pond has a diverse and abundant aquatic ecosystem.

Radiation damages DNA.

Researchers have found possible subtle radiation effects on fish reproduction in the Chernobyl exclusion zone.

Researchers have not observed a large effect of radiation on fish populations in the Chernobyl exclusion zone.

The Fukushima Daiichi nuclear disaster occurred in 2011 following a major earthquake and tsunami.

The Fukushima Daiichi nuclear disaster occurred in Japan in 2011.

The Fukushima nuclear disaster occurred in Japan in 2011.

A major earthquake followed by a tsunami disabled the power supply at the Fukushima Daiichi reactors.

A major earthquake and subsequent tsunami disabled the power supply and cooling of three Fukushima Daiichi reactors in 2011.

A major earthquake followed by a tsunami disabled cooling at three Fukushima Daiichi reactors.

Fukushima was one of the biggest nuclear accidents since Chernobyl.

The Fukushima accident released radioactive iodine.

The Fukushima area is prized for particular varieties of rice.

The Chernobyl site was attacked by Russian drones during the war in Ukraine.

The Chernobyl site was occupied for some time by Russian soldiers during the war in Ukraine.

The Chernobyl site was occupied by Russian soldiers during the war in Ukraine.

Russian forces used the Chernobyl site as a base during their occupation.

A Russian drone made a hole in Chernobyl's New Safe Confinement over Reactor Number 4.

A Russian drone punctured the New Safe Confinement above Chernobyl Reactor Number 4.

A Russian drone strike caused damage to the New Safe Confinement structure covering Chernobyl's Reactor Number 4.

The New Safe Confinement above Chernobyl Reactor Number 4 is no longer fit for purpose after the drone strike.

Repairs to the Chernobyl New Safe Confinement after drone damage are estimated to cost 500 million euros.

Chernobyl has spent nuclear fuel sites.

The Chernobyl site has spent nuclear fuel sites.