Climate firebrand Greta Thunberg became the latest of several prominent world figures to meet with Ukrainian President Volodymyr Zelenskyy this week amid his nation's ongoing war with Russia.

Thunberg traveled to Kyiv, Ukraine's capital city, Thursday for the first meeting of the International Working Group on the Environmental Consequences of War. 

Thunberg was joined by other members of the working group, including co-chair Andriy Yermak and European Parliament Vice President Heidi Hautala in addition to a group of Ukrainian environmental activists.

"Ecocide, the destruction of the environment, is a form of warfare," Thunberg remarked during the meeting. "Unfortunately, Ukrainians now understand this very well. Russia deliberately targets its actions against the environment, against the livelihood of people."

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"I think we need to connect the dots: The danger, the threat of war, human suffering and ecocide are all connected," the Swedish activist added. "None of us should ignore the terrible things that are happening in Ukraine, the crimes that Russia is committing here." 

Following the meeting, Zelenskyy issued a video message saying the working group primarily discussed Russia's suspected attack and "ecocide" on the Kakhovka hydroelectric power plant. Earlier this month, Ukraine officials blamed Russia for the destruction of the dam, which displaced hundreds of thousands of Ukrainians and disrupted power supplies.

In addition, Zelenskyy said the working group will continue to address issues arising from the "destructive impact of Russian aggression on nature."

A release from the president's office Thursday highlighted the group will further develop recommendations "for finding mechanisms to bring the aggressor to justice for environmental crimes so that Russia pays in full for the destruction it has caused" and focus on environmental restoration efforts.

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"I really hope that we will be able to collect assessments of what is happening from central and local authorities and environmental organizations to assess the environmental damage that Ukraine is experiencing," Thunberg added. 

"We need to hold Russia accountable for its crimes, and the people who have suffered damage should be able to recover, just as Ukraine should be able to recover in a sustainable way."

Yermak, the working group's co-chair and head of the office of the president of Ukraine, said the group would also draft a Ukraine Environmental Treaty to create conditions for environmental protection.

The activists concluded by calling for ecocide to be a crime, for Russia to pay environmental reparations and for rapid governmental responses to eco crimes.

"Ukraine is in the focus of attention, but we are also doing this to show the world that such environmental destruction and the terrible consequences of conflict and war should not go unpunished. There must be accountability," Hautala said.

The Supreme Court on Friday agreed to review whether a federal law that bans people under domestic violence restraining orders from owning firearms violates the Second Amendment. 

A three-judge panel of the U.S. Court of Appeals for the Fifth Circuit ruled last month that people under domestic violence restraining orders retain their constitutional right to own firearms, finding that the federal law prohibiting them from doing so was unconstitutional under the Supreme Court's landmark New York State Rifle & Pistol Association Inc. v. Bruen decision. 

The Department of Justice appealed the decision in March, and the Supreme Court has now agreed to take up the case in its next term.

The case, United States v. Zackey Rahimi, concerns a man who was the subject of a civil protective order that banned him from harassing, stalking or threatening his ex-girlfriend and their child. The order also banned him from having any guns.

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Police in Texas found a rifle and a pistol in the man's home. He was indicted by a federal grand jury and pleaded guilty. He later challenged his indictment, arguing that the law that prevented him from owning a gun was unconstitutional.

He lost his case in federal appeals court, which held that it was more important for society to keep guns out of the hands of people accused of domestic violence than it was to protect a person's individual right to own a gun. 

However, after the Supreme Court issued its Bruen decision, setting news standards for interpreting the Second Amendment, the appeals court vacated the man's conviction. The lower court ruled that the federal law that prohibits people with domestic violence restraining orders from possessing firearms was not "consistent with the Nation's historical tradition of firearm regulation."

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Attorney General Merrick Garland vowed to take the case to the Supreme Court. The Department of Justice argues there is a legal tradition in the U.S. and England of disarming people who have posed a danger to the community or threatened to hurt others. 

"In keeping with that history, this Court explained in Heller that the right to keep and bear arms belongs only to ‘law-abiding, responsible citizens,’" DOJ wrote in March, arguing that the federal law in question "fits squarely within the long-standing tradition of disarming dangerous individuals."

DOJ argues the Firth Circuit erred because it "overlooked the strong historical evidence supporting the general principle that the government may disarm dangerous individuals. The court instead analyzed each historical statute in isolation."

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Garland previously defended the law as constitutional in a statement condemning the Fifth Circuit opinion. 

"Whether analyzed through the lens of Supreme Court precedent, or of the text, history, and tradition of the Second Amendment, that statute is constitutional," the attorney general said.

Gun rights and gun control groups were both eager for the Supreme Court to weigh in and provide clarity on the scope of its Bruen decision. 

"We are thrilled that SCOTUS will take up this case, as it will present a strong opportunity for the Court to build off of Bruen," said Erich Pratt, senior vice president of Gun Owners of America. "If someone is dangerous enough that society can’t trust them with a gun, they should be behind bars—it’s that simple. But, this law disarms non-violent people who have never been convicted of a crime, so GOA and the Gun Owners Foundation are excited to file an amicus brief in support of overturning the law in question."

Brady: United Against Gun Violence, a nonprofit that advocates for gun control, also applauded the court's decision to hear the case. 

"Prohibiting domestic violence abusers from accessing firearms is common-sense, life-saving, and constitutional. Firearms are the most common weapons used in domestic violence homicides, with female intimate partners more likely to be murdered with a gun than by all other means combined," said Brady's Chief Legal Officer Douglas Letter. 

"The Fifth Circuit's decision in Rahimi is egregiously wrong, and is mistaken under the Supreme Court's instructions in the Bruen case. Brady looks forward to the Supreme Court hearing this case and correcting this terribly misguided ruling."

The Supreme Court will hear oral arguments in Fall. 

Fox News' Bradford Betz contributed to this report.