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Indicators of environmental and social footprints of international trade must inform assessments of progress towards the UN Sustainable Development Goals, suggests a synthesis of studies on the geospatial separation of consumption and production.
The Cassini mission revealed the complex workings of Titan’s methane-based hydrologic cycle over a range of timescales, providing a potential window into the future of Earth and its water cycle.
Enhanced upwelling and CO2 degassing from the subpolar North Pacific during a warm event 14,000 years ago may have helped keep atmospheric CO2 levels high enough to propel the Earth out of the last ice age.
Geoscientists are training computers to learn from a wide range of geologic data and, in the process, the machines are teaching geoscientists about the workings of Earth.
A regional oxygenation event 1.6 billion years ago coincided with the appearance of large fossils, but whether the availability of oxygen was the primary driver of the diversification of multicellular organisms remains to be seen.
A warm and semi-arid climate may be most consistent with geological evidence for flowing water on the surface of early Mars, despite the challenges of warming Mars under a faint young Sun.
The annual quantity of metal being used by humans has been on the rise. A new analysis of 43 major economies reveals the extent to which year-to-year fluctuations in metal footprints have been in lockstep with countries’ economic growth and changes in investment spending.
A comprehensive assessment of grounding-line migration rates around Antarctica, covering a third of the coast, suggests retreat in considerable portions of the continent, beyond the rates expected from adjustment following the Last Glacial Maximum.
Multi-disciplinary analyses of Earth’s most destructive volcanic systems show that continuous monitoring and an understanding of each volcano’s quirks, rather than a single unified model, are key to generating accurate hazard assessments.
Substantial amounts of denitrification and other anaerobic metabolisms can occur in anoxic microenvironments within marine snow particles, according to model simulations. This microbial activity may have a global impact on nitrogen cycling.
