Sentences with phrase «ice core records prove»

Ice core records prove that current levels of carbon dioxide and methane, both important greenhouse gases, are higher than any previous level in the past 400,000 years.

Ice core records prove that current levels of carbon dioxide and methane, both important greenhouse gases, are higher than any previous level in the past 400,000 years.

Not exact matches

The ice core records in Greenland proved that change could happen quickly.

So in the past, as shown from the ice core records, when the interglacial cycle reaches its cooling phase and the atmosphere starts to cool in spite of increasing CO2 levels (proven that changes in CO2 lags temperature change by about 800 years) you are saying that didn't happen?

Furthermore, until proved otherwise, investigators may be assumed to have used similar calibration techniques to bring ice core records from various locations into agreement.

Examining ice cores, fossils, geologic record, etc, prove that the Earth's climate is never steady and has always been changing.