Category: Books Online
LC9C. Stay Current—What Happened to the Dinosaurs?
Staying current for Chapter 9 { Life and Climate Contents } 2023-04-26. Do Volcanoes Add More Carbon Than They Take Away?. [https://eos.org/research-spotlights/do-volcanoes-add-more-carbon-than-they-take-away] By Saima May Sidik, Eos/AGU. Excerpt: In a new study, Zhong et al. discovered that a volcano in northeast China emits a small net amount of carbon each year. Over geological timescales, that could have […]
LC8C. Stay Current—Highs and Lows Over the Past 750 Million Years
Staying current for Chapter 8 See non-chronological resources (bottom of this page) { Life and Climate Contents } 2024-11-25. Large Igneous Provinces May Have Leaked Cryptic Carbon. By Skyler Ware, Eos/AGU. Excerpt: Massive volcanic eruptions have reshaped Earth and its climate at several points in history. New research suggests that long after these surface eruptions […]
LC7C. Stay Current—Earth’s Shifting Crust
Stay current for chapter 7 { Life and Climate Contents } 2024-11-07. A New View of Deep Earth’s Carbon Emissions. By Saima May Sidik, Eos/AGU. Excerpt: From time to time, when Earth’s tectonic plates shift, the planet emits a long, slow belch of carbon dioxide. In a new modeling study, Müller et al. show how this gas […]
LC6C. Stay Current—How and When Did Complex Life Begin?
Stay current for chapter 6 { Life and Climate Contents } Understanding Evolution – a one-stop source for information on evolution.2019-11-14. Alien genes from bacteria helped plants conquer the land. By Elizabeth Pennisi, Science Magazine. 2024-11-13. Best evidence yet that “Snowball Earth” saw ice cover the entire globe. By Evrim Yazgin, COSMOS. Excerpt: More than 700 million years […]
LC5C. Stay Current—The Origin of Our Oxygen-Rich Atmosphere
Stay current for chapter 5 { Life and Climate Contents } 2025-03-05. Earth’s rocks hold whiffs of air from billions of years ago. By Paul Voosen, Science. Excerpt: Earth’s atmosphere…has changed dramatically over time. Bubbles of ancient air trapped in polar ice cores provide reliable archives of the past 6 million years—but that’s less than 0.2% […]
LC3C. Stay Current—How Do Scientists Play the Dating Game?
Stay current for chapter 3 { Life and Climate Contents } 2009 June 7. Early rocks to reveal their ages. By Jennifer Carpenter, BBC News. Excerpt: A new technique has been helping scientists piece together how the Earth’s continents were arranged 2.5 billion years ago. The novel method allows scientists to recover rare minerals from rocks. By […]
LC2C. Stay Current—Where Does Earth’s Atmosphere Come From?
Staying current with chapter 2 { Life and Climate Contents } 2016-05-09. Earth’s ancient atmosphere was half as thick as it is today. By Roland Pease, Science. Excerpt: …very little is known about how thick Earth’s ancient atmosphere once was. Now, a new study suggests that Earth’s atmosphere 2.7 billion years ago was between a quarter to […]
LC13. What Does Earth’s Past Tell Us About Our Future?
Chapter 13 { Life and Climate Contents } In Life and Climate we have seen how Earth’s changing climate and evolving life forms have influenced each other over the past 4.6 billion years of our planet’s history. In the first part of this chapter we briefly review highlights of this fascinating story. In the last […]
LC12. Climate and Culture
Chapter 12 { Life and Climate Contents } I. New Ways of Living and Thinking Although anatomically modern human beings had evolved by 100,000 years ago, there is little evidence that they lived and behaved differently from Homo erectus. However, evidence shows that major changes were beginning to get under way about 50,000 years ago. […]
LC11. Climate and Human Evolution
Chapter 11 { Life and Climate Contents } Paleoanthropologists—scientists who study the physical evolution of humans—call our species Homo sapiens. This means that we are part of a category of individuals who share common characteristics, the genus Homo, and that within that genus our group or species is called “sapiens.” Fossil evidence shows that there […]