The need for much improved knowledge of the durations and ages of climatic and geological events, such as the Palaeocene–Eocene Thermal Maximum (∼55 million years ago), has become urgent within the ...
Geologists are proposing that humankind has so changed the earth that it has brought about an end to one epoch of earth’s history and marked the start of another. They believe that human dominance has ...
The relationship between carbon dioxide and climate over millions of years has been a source of controversy. Fossilized liverwort leaves can help illuminate both temperature and atmospheric carbon ...
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