Article
Green & Sustainable Science & Technology
Muhammad Assad Munawar, Asif Hussain Khoja, Salman Raza Naqvi, Muhammad Taqi Mehran, Muhammad Hassan, Rabia Liaquat, Usama Fida Dawood
Summary: The challenges and opportunities in biomass ash production and utilization, as well as its environmental impact and handling issues, were investigated. The study also explores the application prospects of biomass ash in traditional and emerging fields. Additionally, recommendations were provided for efficient utilization of biomass ash to improve the economy of biomass power plants and sustainable development.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Environmental Sciences
Jamis M. Bruening, Rico Fischer, Friedrich J. Bohn, John Armston, Amanda H. Armstrong, Nikolai Knapp, Hao Tang, Andreas Huth, Ralph Dubayah
Summary: Accurately estimating aboveground biomass density (AGBD) is crucial for various scientific applications, and the Global Ecosystem Dynamics Investigation (GEDI) uses waveform lidar to map AGBD globally. This study suggests that lidar waveforms may not be unique to AGBD, potentially contributing to large uncertainties in AGBD predictions. Different forest stands exhibit varying levels of uniqueness in their waveforms, impacting the prediction uncertainty, especially in more structurally complex forests. This presents challenges in accurately predicting AGBD using lidar waveforms and highlights the need for further research on the relationships between lidar remote sensing measurements, forest structure, and AGBD.
ENVIRONMENTAL RESEARCH LETTERS
(2021)
Article
Forestry
Hanyin Li, Yunming Zou, Jingyi Liang, Zijie Zhao, Na Zhou, Yan Gao, Ruohan Yan, Qiongqiong Zhou, Cheng Li
Summary: This study analyzed the extracts of Platanus orientalis L. bark and investigated the effects of nano-catalysts on its pyrolysis. The results showed that the bark contained various chemical compounds, and the nano-catalysts promoted the production of value-added chemicals and high-quality bio-oil. These chemicals and bio-oil have potential applications in industrial, agricultural, pharmaceutical, and biomedical fields.
Article
Green & Sustainable Science & Technology
Takaaki Furubayashi, Toshihiko Nakata
Summary: This study analyzed a regional biomass energy system in Japan and found that the case with both CHP and DHS installed followed by heat demand was the most effective in reducing CO2 emissions. It also discovered that the capital costs associated with heat-only boilers were much higher compared to other scenarios, and that the cost of reducing CO2 would be larger than that of CHP even with lower CO2 emissions factor.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Green & Sustainable Science & Technology
Muhammad Asim, Adnan Qamar, Ammara Kanwal, Ghulam Moeen Uddin, Muhammad Mujtaba Abbas, Muhammad Farooq, M. A. Kalam, Mohamed Mousa, Kiran Shahapurkar
Summary: This study aims to evaluate the renewable energy policies in Pakistan and provide a strategy for energy transition. The findings show that the green solution is the most suitable choice for Pakistan, with the lowest operational and externality costs.
Article
Environmental Sciences
Carlos Alberto Silva, Laura Duncanson, Steven Hancock, Amy Neuenschwander, Nathan Thomas, Michelle Hofton, Lola Fatoyinbo, Marc Simard, Charles Z. Marshak, John Armston, Scott Lutchke, Ralph Dubayah
Summary: This study presents a multi-sensor data fusion approach for accurate mapping of forest aboveground biomass (AGB) using data from GEDI, ICESat-2, and NISAR missions. Testing in Sonoma County, USA, demonstrates that the fusion framework provides more accurate AGB estimates compared to individual mission data, highlighting opportunities for improved AGB mapping through data fusion.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Environmental Sciences
Vandit Vijay, Rimika Kapoor, Priyanka Singh, Moonmoon Hiloidhari, Pooja Ghosh
Summary: Utilizing biomass resources for clean energy transition is an important strategy for mitigating climate change. This study assesses the biomass resource and power generation potential in different agro-climatic zones of Rajasthan, India. The findings show significant potential for biomass power generation and highlight the greenhouse gas emissions reductions compared to coal-based power generation. The study also discusses the carriers and barriers in setting up decentralized bioenergy plants, providing valuable insights for renewable energy planners in India.
ENVIRONMENTAL RESEARCH
(2022)
Article
Green & Sustainable Science & Technology
Jackson Hwa Keen Lim, Yong Yang Gan, Hwai Chyuan Ong, Beng Fye Lau, Wei-Hsin Chen, Cheng Tung Chong, Tau Chuan Ling, Jiri Jaromir Klemes
Summary: The aviation sector contributes about 2% of global anthropogenic CO2 emissions, and efforts are being made to find cost-effective and environmentally-friendly bio-jet fuels derived from natural resources. Cultivation conditions for microalgae play a significant role in their growth rate and chemical composition, impacting the yield and quality of microalgae bio-jet fuel. The development of hydroprocessing techniques for converting microalgae oil into bio-jet fuel, as well as innovative approaches like gasification with Fischer-Tropsch and sugar-to-jet, offer promising alternatives to traditional aviation fuel production methods.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Soil Science
Camelia Algora, Inaki Odriozola, Zander Rainier Human, Sandra Awokunle Holl, Petr Baldrian, Ruben Lopez-Mondejar
Summary: Bacteria play critical roles in decomposing biomass in soil ecosystems, and different types of biopolymers attract different bacterial communities, indicating the presence of substrate-specific guilds. Proteobacteria and Bacteroidetes are dominant phyla in all guilds, and bacteria from other phyla also inhabit specific biopolymers. The diversity and abundance of bacteria are associated with different biopolymers, with some biopolymers having low bacterial counts. Bacterial isolations confirmed their involvement in the decomposition of specific biopolymers.
SOIL BIOLOGY & BIOCHEMISTRY
(2022)
Article
Gastroenterology & Hepatology
Prasad G. Iyer, Amitabh Chak
Summary: Endoscopic surveillance of Barrett's esophagus is crucial for detecting dysplasia and adenocarcinoma, but it has limitations such as subtle appearance of dysplasia and sampling errors. High-resolution white-light endoscopy, electronic chromoendoscopy, and comprehensive sampling are essential for surveillance. Emerging innovations including advanced imaging tools and molecular marker-powered approaches can improve the efficiency of surveillance. Validated quality indicators are needed for further advancement in this field to achieve efficient and effective cancer prevention and treatment.
Article
Ecology
Adriana Uscanga, Patrick J. Bartlein, Lucas C. R. Silva
Summary: This study quantified aboveground biomass (AGB) in tropical montane cloud forests and analyzed its spatial patterns at local and regional scales. The results showed that AGB was influenced by forest structure and had a weak but positive relationship with tree species diversity. AGB also varied with elevation, slope, precipitation, and land-use intensity, indicating that both land use and environmental factors contributed to the spatial variation of AGB in the region.
Article
Environmental Sciences
Francisco Mauro, Andrew T. Hudak, Patrick A. Fekety, Bryce Frank, Hailemariam Temesgen, David M. Bell, Matthew J. Gregory, T. Ryan McCarley
Summary: This study analyzes the use of airborne laser scanning (ALS) data in developing regional strategies and creating multiple forest attribute maps. Results show that semiparametric models perform better than parametric models without calibration, while calibration reduces bias for parametric models. Using semiparametric models and rasterized predictors is justified for rapid results with minimal loss in accuracy or precision, even without calibration.
Article
Agronomy
Archana Joshi-Saha, Sunil K. Sethy, G. Misra, G. P. Dixit, A. K. Srivastava, Ashutosh Sarker
Summary: Legumes are staple food in many regions, and over 2 billion people globally lack important mineral micronutrients. Genetic biofortification to improve the nutritional quality of legumes is a sustainable solution.
FIELD CROPS RESEARCH
(2022)
Article
Energy & Fuels
Vikas Menghwani, Rory Wheat, Bobbie Balicki, Greg Poelzer, Bram Noble, Nicolas Mansuy
Summary: Bioenergy can provide a renewable alternative for off-grid communities in Northern Canada, but its use is mainly limited to industrial contexts. This study examines the challenges and perspectives of the bioenergy business ecosystem in Canada, including supply chain issues, policy inconsistencies, and misdirected support for local capacity building. The results highlight the need for better understanding and support of community-scale bioenergy, as well as the efficient allocation of resources. The insights from this study are valuable for both communities and policy makers.
Article
Chemistry, Multidisciplinary
Anne Karolin Thielemann, Daniel Pleissner
Summary: This contribution discusses the potential of nitrogen-rich by-products and waste streams as sources of proteins and amino acids. It also highlights the applications of recovered nitrogen compounds in various products. The challenges and opportunities of current approaches to the recovery and utilization of nitrogen compounds are described.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2023)
