Glossary
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| Term | Definition |
|---|---|
| Jenner, Edward | An English physician who in 1796 showed that inoculation with cowpox could protect against smallpox, laying the foundation for modern vaccination. Vaccines |
| Just Asking Questions | A rhetorical tactic that spreads insinuations in the form of questions, implying wrongdoing while avoiding responsibility for any claim. Sometimes called 'JAQing off'. Antiscience |
| Just transition | An approach to moving to a low-carbon economy that seeks to be fair to workers and communities who depend on fossil fuel industries, through retraining, support, and new opportunities. Climate Change |
| Keeling Curve | The continuous record of atmospheric carbon dioxide measured at Mauna Loa, Hawaii, since 1958, showing a steady rise from human emissions. Climate Change |
| Kelvin | The SI unit of temperature. Zero kelvin is absolute zero, and a change of one kelvin equals a change of one degree Celsius. Science General |
| Kilogram | The SI unit of mass, defined since 2019 using the Planck constant. Science General |
| Kinetic energy | The energy an object has because of its motion. Science General |
| Knowledge Deficit Model | The assumption that public rejection of science is caused mainly by lack of information and can be fixed by providing more facts. Research shows values, identity and trust often matter more. Antiscience |
| Kyoto Protocol | An international treaty adopted in 1997 that set binding emission reduction targets for industrialized countries. It was succeeded by the Paris Agreement. Climate Change |
| La Nina | The cool phase of the El Nino-Southern Oscillation, when the central and eastern tropical Pacific is cooler than usual. It tends to lower global temperatures slightly for a year or two. Climate Change |