ClimateJune 16, 2026
fission
/ˈfɪʃən/
Definition
A type of nuclear reaction in which the nucleus of an atom splits into smaller parts, releasing a significant amount of energy used for electricity generation.
Etymology
Derived from the Latin 'fissio,' meaning 'a cleaving or splitting.' It entered modern scientific English in the 1930s to describe the physical process of breaking atomic nuclei.
In the news
In this article, nuclear fission is highlighted as a 'clean firm' energy source that continues to receive bipartisan policy support despite broader shifts in energy strategy. It is grouped with geothermal and fusion as a stable, long-term power generation technology.
Taking Stock of Energy and Climate Policy Since 2020
Read the full article ↗Clean Air Task Force