13 Quotes by Jonathan Overpeck

Although we show that the models do an excellent job, our primary results are based on data. We know the ice sheets melted. We know how much warmth it took to melt them. And that is not a modeled finding.

Although ice-sheet disintegration and the subsequent sea-level rise lags behind rising temperatures, the process will become irreversible sometime in the second half of the 21st century unless something is done to reduce human emissions of greenhouse-gas emissions.

A lot of the stories you read make it sound like there's uncertainty. There's not uncertainty.

After that we'll be committed to multiple more meters of sea level rise that will occur at rates of up to a meter?or three feet?per one hundred years.