Advances in Defect Engineering of Metal Oxides for Photocatalytic CO2 Reduction DOI Creative Commons
Kang Zhong, Peipei Sun, Hui Xu

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: April 30, 2024

Abstract Photocatalytic CO 2 reduction technology, capable of converting low‐density solar energy into high‐density chemical energy, stands as a promising approach to alleviate the crisis and achieve carbon neutrality. Semiconductor metal oxides, characterized by their abundant reserves, good stability, easily tunable structures, have found extensive applications in field photocatalysis. However, wide bandgap inherent oxides contributes poor efficiency photocatalytic reduction. Defect engineering presents an effective strategy address these challenges. This paper reviews research progress defect enhance performance summarizing classifications, preparation methods, characterization techniques. The focus is on engineering, represented vacancies doping, for improving oxide photocatalysts. includes advancements expanding photoresponse range, enhancing photogenerated charge separation, promoting molecule activation. Finally, provides summary current issues challenges faced along with prospective outlook future development technology.

Language: Английский

Emergent constraints on future precipitation changes DOI
Hideo Shiogama, Masahiro Watanabe, Hyungjun Kim

et al.

Nature, Journal Year: 2022, Volume and Issue: 602(7898), P. 612 - 616

Published: Feb. 23, 2022

Language: Английский

Citations

73
Exploring negative emission potential of biochar to achieve carbon neutrality goal in China DOI Creative Commons
Xu Deng, Fei Teng, Minpeng Chen

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Feb. 5, 2024

Abstract Limiting global warming to within 1.5 °C might require large-scale deployment of premature negative emission technologies with potentially adverse effects on the key sustainable development goals. Biochar has been proposed as an established technology for carbon sequestration co-benefits in terms soil quality and crop yield. However, considerable uncertainties that exist potential, cost, strategies biochar systems at national level prevent its China. Here, we conduct a spatially explicit analysis investigate economics, priority sites derived from multiple feedstocks Results show potential up 0.92 billion tons CO 2 per year average net cost US$90 ton manner, which could satisfy demands most mitigation scenarios compatible China’s target neutrality by 2060.

Language: Английский

Citations

56
The growing inadequacy of an open-ended Saffir–Simpson hurricane wind scale in a warming world DOI Creative Commons
Michael Wehner, James P. Kossin

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(7)

Published: Feb. 5, 2024

Global warming increases available sensible and latent heat energy, increasing the thermodynamic potential wind intensity of tropical cyclones (TCs). Supported by theory, observations, modeling, this causes a shift in mean TC intensity, which tends to manifest most clearly at greatest intensities. The Saffir–Simpson scale for categorizing damage based on TCs was introduced early 1970s remains commonly used metric public communication level hazard that poses. Because is open-ended does not extend beyond category 5 (70 m/s windspeed or greater), conveyed constant regardless how far extends 70 m/s. This may be considered weakness scale, particularly considering destructive exponentially. Here, we consider becomes amplified world elucidating past future peak speeds intense TCs. A simple extrapolation define hypothetical 6, describe frequency TCs, both projected under global warming, would fall category. We find number recent storms have already achieved 6 multiple independent lines evidence examining highest simulated speeds, more such are as climate continues warm.

Language: Английский

Citations

22
A novel S-scheme photocatalyst Fe2O3/Bi2O3/g-C3N4 with enhanced visible-light photocatalytic performance for antibiotic degradation and CO2 reduction: RSM-based optimization DOI
Abdelfattah Amari, Hakim S. Sultan Aljibori, Zaina Algarni

et al.

Journal of Industrial and Engineering Chemistry, Journal Year: 2024, Volume and Issue: 140, P. 599 - 616

Published: Aug. 10, 2024

Language: Английский

Citations

18
Is Anthropogenic Global Warming Accelerating? DOI Creative Commons
Stuart Jenkins, Adam C. Povey, Andrew Gettelman

et al.

Journal of Climate, Journal Year: 2022, Volume and Issue: 35(24), P. 7873 - 7890

Published: Aug. 29, 2022

Abstract Estimates of the anthropogenic effective radiative forcing (ERF) trend have increased by 50% since 2000 (from +0.4 W m −2 decade −1 in 2000–09 to +0.6 2010–19), majority which is driven changes aerosol ERF trend, as a result emissions reductions. Here we study extent observations climate system agree with these assumptions. We use large ensemble from IPCC’s Sixth Assessment Report (AR6) attribute contributions global mean surface temperature (GMST), top-of-atmosphere flux, and optical depth observations. The GMST has +0.18°C +0.35°C 2010–19, coinciding warming rising +0.19°C +0.24°C 2010–19. This, well observed trends fluxes depths, supports claim an aerosol-induced temporary acceleration rate warming. However, all three observation datasets additionally suggest that smaller are compatible 2000, flux significantly influenced internal variability over this period. A zero-trend-change scenario results much but poorly represented AR6’s ensemble. Short-term difficult verify using observations, so caution required predictions or policy judgments depend on them, such estimates current time remaining to, outstanding carbon budget consistent with, 1.5°C Further systematic research focused quantifying early identification deceleration required.

Language: Английский

Citations

68
Presentation and Evaluation of the IPSL‐CM6A‐LR Ensemble of Extended Historical Simulations DOI
R. M. Bonnet, Oliviér Boucher, Julie Deshayes

et al.

Journal of Advances in Modeling Earth Systems, Journal Year: 2021, Volume and Issue: 13(9)

Published: Aug. 27, 2021

Abstract The Institut Pierre‐Simon Laplace Climate Modeling Center has produced an ensemble of extended historical simulations using the IPSL‐CM6A‐LR climate model. This (referred to as IPSL‐EHS) is composed 32 members over 1850–2059 period that share same external forcings but differ in their initial conditions. In this study, we assess simulated decadal multidecadal variability IPSL‐EHS. particular, examine global temperature evolution and recent warming trends, consistency with ocean heat content sea ice cover. model exhibits a large low‐frequency internal variability. quasi‐bicentennial mode present associated Atlantic Meridional Overturning Circulation. Such modulates mean surface air changes by about 0.1K. modulation found be linked phase condition state each member. appears decrease during 1850–2018 response forcings. analysis reveals furthermore overestimation stratification, which likely leads rate on average.

Language: Английский

Citations

67
Risk assessment of soil erosion in Central Asia under global warming DOI
Xin Dou, Xiaofei Ma,

Chengyi Zhao

et al.

CATENA, Journal Year: 2022, Volume and Issue: 212, P. 106056 - 106056

Published: Feb. 7, 2022

Language: Английский

Citations

67
Recent decadal weakening of the summer Eurasian westerly jet attributable to anthropogenic aerosol emissions DOI Creative Commons
Buwen Dong, Rowan Sutton, Len Shaffrey

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: March 3, 2022

Abstract The Eurasian subtropical westerly jet (ESWJ) is a major feature of the summertime atmospheric circulation in Northern Hemisphere. Here, we demonstrate robust weakening trend summer ESWJ over last four decades, linked to significant impacts on extreme weather. Analysis climate model simulations from Coupled Model Intercomparison Project Phase 6 (CMIP6) suggests that anthropogenic aerosols were likely primary driver ESWJ. Warming mid-high latitudes due aerosol reductions Europe, and cooling tropics subtropics increases South East Asia acted reduce meridional temperature gradient at surface lower middle troposphere, leading reduced vertical shear zonal wind weaker upper troposphere. If, as expected, Asian precursor emissions decline future, our results imply renewed strengthening

Language: Английский

Citations

65
Adaptive emission reduction approach to reach any global warming target DOI
Jens Terhaar, Thomas L. Frölicher,

Mathias T. Aschwanden

et al.

Nature Climate Change, Journal Year: 2022, Volume and Issue: 12(12), P. 1136 - 1142

Published: Dec. 1, 2022

Language: Английский

Citations

65
Suppressed Late‐20th Century Warming in CMIP6 Models Explained by Forcing and Feedbacks DOI
Chris Smith, Piers M. Forster

Geophysical Research Letters, Journal Year: 2021, Volume and Issue: 48(19)

Published: Sept. 13, 2021

Abstract For the 1960–2000 period, latest generation of climate models (Coupled Model Intercomparison Project Phase 6 [CMIP6]) shows less global mean surface temperature change relative to pre‐industrial than that seen in observations. In contrast, previous (CMIP5) performed well over this period. It has been hypothesized suppressed late‐20th Century warming CMIP6 is caused by a stronger aerosol forcing. However, we find be only part story. Not forcing marginally more negative compared CMIP5, greenhouse gas also weaker CMIP5. These differences are amplified sensitivity between CMIP5 and ensemble, which leads both cooling 1960–1990 induced from 1990, returning post‐2000 toward observed level.

Language: Английский

Citations

64