A new thermometer for studying our past climate

The study of past climates—palaeoclimatology—involves the interrogation of physical, chemical and biological information stored in natural archives, such as ice cores and ocean sediments.

Lead isotope dating of marine sedimentary cores

Laboratories from 14 countries (with different levels of experience in radiometric measurement of radionuclides in environmental samples and in the application of the 210Pb dating method) participated in an interlaboratory ...

Sea ice triggered the Little Ice Age, finds a new study

A new study finds a trigger for the Little Ice Age that cooled Europe from the 1300s through mid-1800s, and supports surprising model results suggesting that under the right conditions sudden climate changes can occur spontaneously, ...

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