Key Terms

Reflective: Sea ice's ability to reflect sunlight helps regulate Earth's temperature.

Feedback loops: Mechanisms where output influences input, leading to amplification or dampening of initial change.

Multidecadal variability: Fluctuations or changes that occur over decades.

Stratospheric ozone depletion: Gradual thinning of the ozone layer in Earth's stratosphere due to ozone-depleting substances.

Decadal oscillations: Cyclic variations occurring approximately every ten years.