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Global carbon taxation would provide a net economic benefit to the mining industry by raising demand in metals and minerals, in contrast to more energy-intensive industries for replaceable commodities, suggests a financial model analysis of the carbon tax costs for various sectors.
Anomalous warming in the Arctic region of the Barents-Kara Sea is associated with cold damage and reduced springtime vegetation activity in East Asian forests, according to a correlation analysis of Arctic warming and leaf area anomalies in East Asia.
High perchlorate/chloride ratios at the Phoenix landing site in the Martian northern polar region could have formed by specific relative humidity and temperature conditions coupled with dust transport, according to experiments and thermodynamic modeling.
Outgassing of CO2 during collisional orogeny can be explained by the generation of immiscible CO2-rich fluids and hydrosaline brines in metamorphosed sediments, according to thermodynamic modelling applied to the Himalaya.
Optimal land management practices could increase terrestrial carbon sequestration by 13.7 Petagrams of carbon each year, with only 15% of the land area accounting for half of this increase, according to a carbon gap analysis of global primary production.
A mantle depletion event that occurred around 4.2 billion years ago, and that suggests crust-mantle differentiation in the late Hadean, is recorded in the Singhbhum Craton, India, by means of 146Sm-142Nd whole-rock isotopic analyses.
Mediterranean sediment records spanning the last five million years suggest an abrupt increase in carbon burial and terrigenous accumulation coincided with enhanced fluvial sediment mobilisation in North Africa during orbitally-driven Green Sahara Periods.
The Yarkovsky acceleration acting on near-Earth asteroid (99942) Apophis is large enough to require consideration when evaluating the object’s course and future close passes of Earth, according to an analysis of astrometry data collected including the 2021 flyby.
High-resolution direct topographic measurements obtained with a purpose built coral reef accretion frame reveal net reef growth and increased elevation of the Huvadhoo atoll reef rim between 2018 and 2020.
The transition of the northern stratospheric circulation from winter to summer comes in two flavours, a smooth late one governed by radiation or an abrupt, early transition forced by dynamics, suggests a composite analysis of reanalyses from 1950 to 2020.
A deep, magnitude 4.6 earthquake, beneath Milan, Italy, in December 2020 involved a major explosive component that may indicate outgassing of carbon dioxide from ascending carbonate-rich melts, according to moment tensor inversion of the seismic source.
The Lake Hala ecosystem on the Tibetan Plateau is more sensitive to local changes in temperature and glacial melt than it is to large-scale monsoonal variability, according to aquatic biomarker analysis in lacustrine sediment cores.
Improved sediment management can only partially compensate for anthropogenic-accelerated subsidence in the Mekong delta, but can buy time to mitigate and adapt to rising sea levels according to combined projections of subsidence, compaction, sea-level rise and fluvial sediment delivery.
Afforestation of drier catchments with deeper soils causes a greater reduction in streamflow, and planting location matters most in small catchments, according to a large ensemble of modelled scenarios in Britain.
Under current pledges, greenhouse gas emissions between 1991 and 2030 from the five largest emitters—China, the US, EU-27, India and Russia—will substantially increase the number of countries frequently experiencing extremely hot years, according to a suite of Earth System model emulators.