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Enlarge (credit: Le Quéré et al./ESSD) For a young student, report-card season can be an exciting, stressful, or even depressing time of year. The annual tally of the world’s climate-changing greenhouse gas emissions is a little like that—but with a lot more on the line than a B in language arts. And unfortunately, 2018’s tally […]
Enlarge (credit: Kristin Andrus) If it were easy to pin down the exact value for our planet’s sensitivity to greenhouse gas emission, it would have been done a long time ago—and you wouldn’t be reading yet another news story about it. It’s not like we have no idea how sensitive the climate is. The range […]
Enlarge (credit: Patrick Shepherd/CIFOR) It’s a common suggestion that we should just plant trees to suck CO2 out of the atmosphere, but this isn’t quite the solution it may seem. Reforestation would roughly make up for the carbon added to the atmosphere by past deforestation, but our burning of fossil fuels is another matter. Still, […]
Enlarge / It sucks air in and separates carbon dioxide out. (credit: Climeworks – Zev Starr-Tambor) In a press conference presentation Wednesday, Reykjavik Energy’s Edda Aradóttir described the company’s new project as “turning the CO2 troll to stone.” If deployed at scale, the technology behind this could make a big difference in charting a better climate […]
