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% […]

LC4C. Stay Current—The Beginning of Life on Earth

Stay current for chapter 4 { Life and Climate Contents } 2024-07-12. Our last common ancestor lived 4.2 billion years ago—perhaps hundreds of millions of years earlier than thought. By ROBERT F. SERVICE, Science. Excerpt: The last ancestor shared by all living organisms was a microbe that lived 4.2 billion years ago, had a fairly […]

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 […]

CC10C. Staying Current—What Do You Think About Global Climate Change?

Staying current for Chapter 10 See non-chronological resources Articles from: {2023}-{2022}-{2021}-{2020}-{2012–2019}-{2008–2011}-{2001–2007} { Climate Change Contents } Articles from 2024–2025 (most recent) 2025-03-10. More carbon dioxide in oceans could harm carbon-eating microbes, speed climate change. By Robert F. Service, Science. Excerpt: The carbon dioxide (CO2) spewing from human activities is not only changing Earth’s atmosphere, it’s also […]

CC10C. 2020-What Do You Think About Global Climate Change?

Staying current for Chapter 10 Articles from 2020 Stay current index page for Chapter 10 { Climate Change Contents } 2022-08-20. Diet for a hotter climate: five plants that could help feed the world. [https://www.theguardian.com/environment/2022/aug/20/ancient-crops-climate-crisis-amaranth-fonio-cowpeas-taro-kernza] By Cecilia Nowell, The Guardian. Excerpt: Over the course of human history, scientists believe that humans have cultivated more than 6,000 […]

CC10C. 2012-What Do You Think About Global Climate Change?

Staying current for Chapter 10 Articles from 2012–2019 Stay current index page for Chapter 10 { Climate Change Contents } 2019-12-29. Our Cherished Rivers Are Under Threat. By Macarena Soler, Monti Aguirre and Juan Pablo Orrego, The New York Times (Opinion).  [https://www.nytimes.com/2019/12/29/opinion/climate-change-hydroelectric-dam.html] Excerpt: … rivers, like many worldwide, have been threatened by dam projects that aim […]

CC10C. 2001-2007-What Do You Think About Global Climate Change?

Staying current for Chapter 10 Articles from 2001–2007 Stay current index page for Chapter 10 { Climate Change Contents } 2007 December 10. Al Gore’s Nobel Prize acceptance speech. [https://www.huffpost.com/entry/read-al-gores-nobel-prize_n_76054] 2007 December 3. Climate Talks Take on Added Urgency After Report. By PETER GELLING and ANDREW C. REVKIN, NY Times. Excerpt: JAKARTA, Indonesia, Dec. 2 – Thousands of government officials, […]