Human activity was responsible for two-thirds of glacial melt, which increased sea levels by 69 millimeters across the world in the past two decades, according to a new study published in Science yesterday.

The rest of the observed glacial melt was due to natural causes.

This is the first time scientists have attributed a certain portion of the glacial melt and the resulting sea-level rise to humans. As such, the study is a landmark as well as a preliminary effort; the scientists are just 85 percent confident of their values.

Those suffering from climate change induced cognitive dissonance take note. To read more, click here.