The mid-Pliocene was the last time atmospheric CO 2 levels were similar ... All this research into the last great warm period is helping scientists think more deeply about how the future might ...

Scientists trying to determine how the Earth might change as temperatures rise often look back in time to a period around 3.6 million years ago called the middle Pliocene, when concentrations of ...

They have concluded that the most revealing slice of time is the Pliocene Epoch, a warm, wet period between 3.15 million and 2.85 million years ago, when the world probably looked and felt much as ...

found that the last time the earth’s atmosphere had a CO2 concentration as high as today’s was during the Pliocene epoch, the geological period 2.6-5.3 million years ago. CO2 emissions from ...

The Pliocene Epoch (5.33–2.58 Ma ... Such an endeavour to understand one stratigraphic interval (time slab) is fundamentally different from efforts that have gone into developing long time ...

The last time global carbon dioxide levels were consistently at or above 400 parts per million (ppm) was around four million years ago during a geological period known as the Pliocene Era (between ...

Yet, at the same time, planet Earth was fairly similar ... similar to the projections for the late 21st century. I got to meet the Pliocene epoch early in my career. Between 1973 and 1979, I ...

For researchers seeking to understand the effects of climate change on the weather of the North American Southwest, the answer lies in traveling millions of years back in time on wings of wax ...

The last time CO2 levels were as high as today ... how quickly the seas rose during this far-off period. But the Pliocene does show us how sensitive parts of Earth are to just a few degrees ...