Iran has long accused Israel of targeting its nuclear program through covert operations. Israeli officials, in turn, have hinted at potential strikes on Iran's nuclear sites. This exchange of threats that has intensified amid ongoing hostilities between the two nations since Israel's attacks on Hezbollah, a long-standing ally.

At this year's U.N. climate talks, the Biden team hopes a push for nuclear power will be palatable to the president's successor.

President Biden announced a new initiative to triple American nuclear energy from 2020 levels by increasing capacity to 200 gigawatts by 2050.