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Touched by the Keeling Curve

Legal Planet

Graphic: Scripps Institution of Oceanography at UC San Diego Teaching the climate change unit last week in my International Environmental Law and Policy class, I found myself so moved that I started crying at the board. My poor students thought I was in distress.I

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Dissecting the Attacks on the Endangerment Finding

Legal Planet

In making the Endangerment Finding, EPA put six types of substances, most notably carbon dioxide and methane, into a single category of “well-mixed greenhouse gases.” Lumping Greenhouse Gases Together. ” EPA then treated that as a single pollutant.

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Greenland’s Ice Sheet Collapse Could Be Closer Than We Think

Scientific American

The concentration of carbon dioxide in the atmosphere then was less than 300 parts per million. Caleb Walcott-George, soon to be an assistant professor in the department of earth and environmental sciences at the University of Kentucky, was a graduate student during the first two field seasons of the project.

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168 Years of Climate Science

Legal Planet

Climate change is no fad or Johnny-come-lately in science. Rather, our knowledge has grown over 168 years, since an American scientist first discovered the heat-trapping properties of carbon dioxide. In his efforts to expunge climate science, Trump is trying to wipe out the results of many decades of scientific research.

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Old CO₂ released from rivers complicates evaluations of fossil-fuel emissions

Nature

Nature 642 , 105–111; 2025 ) shows that 59% of the carbon dioxide released by rivers originates from millennia-aged reservoirs. Such ‘old’ carbon has low levels of the radioactive isotope carbon-14, and could therefore be mistaken for carbon stemming from fossil fuels. Dean et al. Email address Yes!

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Breakthrough innovations in carbon dioxide mineralization for a sustainable future

Environmental News Bits

Breakthrough innovations in carbon dioxide mineralization for a sustainable future. Reviews in Environmental Science and Bio/Technology (2024). Chung, W.J.,

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Carbon dioxide as an air pollutant

Environment, Law, and History

The abstract: In the late 1960s, New Zealand and the United States collaborated to establish a southern hemispheric carbon dioxide (CO2) monitoring station on New Zealand’s coastal cliffs. The New Zealand CO2 Project, as it came to be known, is an underappreciated landmark in the history of environmental monitoring.