Sentences with phrase «examining ancient climates»

Chapter 5 of «AR5» describes work examining ancient climates on Earth, and the lessons that they hold for us today — and particularly work carried out since the last Assessment Report in 2007.

Not exact matches

Although scientists can learn about past climate by examining ancient lake sediments, in the Sahara the lakes dried up long ago and their sediments have blown away.

Ongoing projects examine the paleoenvironmental context for human evolution and cultural development, reconstructing ancient rivers and lakes, dating geological formations, and attempting to understand the role that climate change had in producing new species and stone - tool cultures.

Their findings have stirred a lot of skepticism in the community of specialists examining ancient records of past climate changes and how they might relate to variations in Earth's orbit and orientation toward the Sun and other factors.