Results 171 to 180 of about 697,882 (367)

Technology Dynamics and Greenhouse Gas Emissions Mitigation [PDF]

open access: green, 2000
Richard Alexander Roehrl, Keywan Riahi
openalex   +1 more source

Organic farming and the challenges of climate change [PDF]

open access: yes, 2009
Climate change is without question one of the largest challenges that humankind has ever faced. This is not the least due to the enormous consequences that climate change will have for ecosystems and human society.
Olesen, Jørgen E.
core  

Blockchain‐Empowered H‐CPS Architecture for Smart Agriculture

open access: yesAdvanced Science, EarlyView.
This article reviews the current system architectures for smart agriculture and proposes a blockchain‐empowered hierarchical cyber‐physical system (H‐CPS) framework. It discusses the challenges and outlines future research directions, including the use of semantic blockchain to handle complex data and models.
Xiaoding Wang   +8 more
wiley   +1 more source

Effects of stocking density on the performance of lettuce (Lactuca sativa) in small‐scale lettuce‐Nile tilapia (Oreochromis niloticus L.) aquaponic system

open access: yesAquaculture, Fish and Fisheries, Volume 2, Issue 6, Page 458-469, December 2022., 2022
Graphical Abstract : Aquaponics, hydroponics, stocking density. Abstract Aquaponics incorporates aquaculture with hydroponics, whose principles and operations largely remain untested. Currently, there is a knowledge gap on the performance of aquaponic systems used for fish production under different stocking densities.
Josiah A. Sabwa   +5 more
wiley   +1 more source

Adsorption Behavior of Greenhouse Gases on Carbon Nanobelts: A Semi-Empirical Tight-Binding Approach for Environmental Application [PDF]

open access: yesarXiv
This research investigates the adsorption characteristics of carbon nanobelts (CNB) and Mobius carbon nanobelts (MCNB) interacting with various greenhouse gases, including NH3, CO2, CO, H2S, CH4, CH3OH, NO2, NO, and COCl2. The study employs semi-empirical tight-binding calculations via xTB software, complemented by topological analysis using MULTIWFN ...
arxiv  

Hydrolyzable Bio‐Based Bisphenols Enabled by the Tishchenko Reaction for Polyurethane Vitrimers with Closed‐Loop Recyclability

open access: yesAdvanced Science, EarlyView.
This study employs the Tishchenko coupling reaction to obtain bio‐based bisphenols containing degradable ester bonds with 100% atom utilization. Based on these bio‐based bisphenols, a fully bio‐based polyurethane Covalent Adaptable Networks are constructed, while simultaneously endowing the material with closed‐loop recyclability, degradability, and ...
Jiewen Wang   +7 more
wiley   +1 more source

The restoration potential of offshore mussel farming on degraded seabed habitat

open access: yesAquaculture, Fish and Fisheries, Volume 2, Issue 6, Page 437-449, December 2022., 2022
Due to the artificial structures that accumulate mussels and exclude destructive fishing practices, the seabed could be restored by the installation of mussel farming structure. After four years, there was a significantly greater abundance of mobile taxa compared to the Controls that remained open to trawling. Commercial European lobster and brown crab
Danielle Bridger   +7 more
wiley   +1 more source

Modular Photobioreactor Façade Systems for Sustainable Architecture: Design, Fabrication, and Real-Time Monitoring [PDF]

open access: yesarXiv
This paper proposes an innovative solution to the growing issue of greenhouse gas emissions: a closed photobioreactor (PBR) fa\c{c}ade system to mitigate greenhouse gas (GHG) concentrations. With digital fabrication technology, this study explores the transition from traditional, single function building facades to multifunctional, integrated building ...
arxiv  

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