CC6C. Stay Current—How Is the Atmosphere Changing?

Staying current for Chapter 6. { Climate Change Contents } See non-chronological resources (bottom of page). 2026-01-13. US carbon pollution rose in 2025 in reversal of previous years’ reductions. By Associated Press/The Guardian. Excerpt: In a reversal from previous years’ pollution reductions, the United States spewed 2.4% more heat-trapping gases from the burning of fossil […]

CC5C. Stay Current—How Is Carbon Dioxide Measured?

Staying current for Chapter 5. { Climate Change Contents } See Non-chronological resources for this chapter (bottom of page). 2026-10-30. A Decade of Carbon Dioxide Data from Space Gets an Upgrade. By Sarah Stanley, Eos/AGU. Excerpt: Every day, two NASA space instruments known as the Orbiting Carbon Observatory-2 and -3 (OCO-2 and OCO-3) capture more than […]