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Articles 1 - 30 of 720
Full-Text Articles in Physical Sciences and Mathematics
The Effects Of Wildfire Aerosol Emissions On Air Quality, Emma Braun, Audrey Shirley
The Effects Of Wildfire Aerosol Emissions On Air Quality, Emma Braun, Audrey Shirley
The Journal of Purdue Undergraduate Research
No abstract provided.
Characterizing Differential Reflectivity Calibration Dependence On Environmental Temperature Using The X-Band Teaching And Research Radar (Xtrra): Looking For A Relationship Between Temperature And Differential Reflectivity Bias, Emma Miller
The Journal of Purdue Undergraduate Research
Calibration scans are important for the maintenance of data and the quality of the information that radars output. In this study we looked for a temperature dependency in a full year’s worth of differential reflectivity (ZDR) calibration scan data collected by the X-band Teaching and Research Radar (XTRRA) located near the Purdue University campus. In a vertically pointing calibration scan, the radar scans the drops from below while rotating. From this angle, the overall shape will be circular, which corresponds to a ZDR value of approximately 0 dB. To process the data for the year 2021, a Python script was …
A Computational Profile Of Invasive Lionfish In Belize: A New Insight On A Destructive Species, Joshua E. Balan
A Computational Profile Of Invasive Lionfish In Belize: A New Insight On A Destructive Species, Joshua E. Balan
The Journal of Purdue Undergraduate Research
Since their discovery in the region in 2009, invasive Indonesian-native lionfish have been taking over the Belize Barrier Reef. As a result, populations of local species have dwindled as they are either eaten or outcompeted by the invaders. This has led to devastating losses ecologically and economically; massive industries in the local nations, such as fisheries and tourism, have suffered greatly. Attempting to combat this, local organizations, from nonprofits to ecotourism companies, have been manually spear-hunting them on scuba dives to cull the population. One such company, Reef Conservation Institute (ReefCI), operating out of Tom Owens Caye outside of Placencia, …
Clouds In The Ancient Lunar Atmosphere: Water Ice Nucleation On Aerosol Simulants, Mariana C. Aguilar
Clouds In The Ancient Lunar Atmosphere: Water Ice Nucleation On Aerosol Simulants, Mariana C. Aguilar
The Journal of Purdue Undergraduate Research
Today’s moon is vastly different from what it was 3 billion years ago. At that time, it was home to a collisional atmosphere formed through massive amounts of volcanism, releasing enough subsurface gas to sustain surface pressures of up to 1 kPa. Observations of our solar system have taught us that all dense atmospheres are host to clouds and aerosols, and we expect the Moon’s to be no different. Knowing when, where, and under what conditions cloud particles form is important for understanding the evolution of the lunar atmosphere, how it reacted to temperature gradients, and how it cycled volatiles. …
Ecological Assessment Of Drainage Water Input On The Water Quality Of A Coastal Estuary, Mediterranean Coast Of Egypt, Fatma A. Zaghloul, Hoda A. E. Hemaida, Hayat M. Faragallah, Ahmed A. Radwan
Ecological Assessment Of Drainage Water Input On The Water Quality Of A Coastal Estuary, Mediterranean Coast Of Egypt, Fatma A. Zaghloul, Hoda A. E. Hemaida, Hayat M. Faragallah, Ahmed A. Radwan
Blue Economy
El Mex Bay, located west of Alexandria City, is identified as a hot spot of pollution along the Mediterranean coast of Egypt. It is a large, shallow, and turbid water body of socioeconomic importance. However, El Mex Bay receives a large amount of untreated industrial wastewater, as well as agricultural runoff from different land-based sources.
A comprehensive environmental study was carried out seasonally during 2020-2021. To evaluate the effect of this discharged wastewater on the water quality of El Mex Bay.
The physicochemical parameters were measured at both the surface and near-bottom water at nine stations.
Principal component analysis indicated …
Exploring Market Segmentation For Autonomous Ferries, Ashari Fitra Rachmannullah, Taih Cherng Lirn, Kuo Chung Shang
Exploring Market Segmentation For Autonomous Ferries, Ashari Fitra Rachmannullah, Taih Cherng Lirn, Kuo Chung Shang
Journal of Marine Science and Technology
This study aims to investigate the determinants that underlie psychographic segmentation in the domain of autonomous ferries (AFs) by using the theory of planned behaviour (TPB) as a guiding theoretical construct. The paper focuses on Indonesian individuals who had previously utilised conventional ferry services. TPB was applied as a catalyst to identify possible market segmentation among potential AF passengers. In this study, cluster analysis is used to differentiate passengers by their perception of using AFs. The results identified three market segments through cluster analysis based on passengers’ perceptions of using AFs: Resource-Limited, Resource-Capable, and Value-Optimistic. Among these segments, the Resource-Capable …
Fretting Corrosion Wear Of Titanium-Based Alloy (Ti-6al-4v) In 0.9 Wt.% Nacl Solution, Chen-En Lu, Wen-Ken Li, Hung-Hua Sheu, Jeou-Long Lee, Hung-Bin Lee
Fretting Corrosion Wear Of Titanium-Based Alloy (Ti-6al-4v) In 0.9 Wt.% Nacl Solution, Chen-En Lu, Wen-Ken Li, Hung-Hua Sheu, Jeou-Long Lee, Hung-Bin Lee
Journal of Marine Science and Technology
In this study, a high precision fretting tribo-corrosion tester used to analyze the wear and corrosion behavior of Ti alloys in a fretting motion condition. The tester, operated in a ball-on-plate mode, was employed in the fretting corrosion study of metallic bio-materials (Ti and Ti-6Al-4V) under different loads (0 and 10 N), electrolytes (0.9 wt% NaCl and SBF) and fixed displacement frequency (1 Hz). Using profilometer, optical microscope in the experimental analysis and three-body mechanism in the theoretical analysis, the fretting corrosion performances of these bio-medical metals, such as velocity accommodation characteristics, friction, wear, and scratch profile were examined in …
A New-Type Deep Learning Model Based On Shapley Regulation For Containerized Freight Index Prediction, Yen-Chang Shih, Ming-Shue Lin, Taih-Cherng Lirn, Jih-Gau Juang
A New-Type Deep Learning Model Based On Shapley Regulation For Containerized Freight Index Prediction, Yen-Chang Shih, Ming-Shue Lin, Taih-Cherng Lirn, Jih-Gau Juang
Journal of Marine Science and Technology
In this study, we have crafted an innovative methodology that represents a groundbreaking synthesis of deep learning techniques with cooperative game theory. In this study, we use the accuracy of data prediction by different LSTM models as a measurement index and assign different LSTM models corresponding weights through the Shapley value calculation method to construct a more accurate predictive analysis model. We use this improved Shapley regulation model to calibrate a long short-term memory (LSTM) neural network by using historical freight data to predict the China Container Freight Index (CCFI), the leading export container freight index commonly used in China. …
Applicability Of Reducing Valve Timing Overlap For Diesel Engines Under High Exhaust Back Pressure, Chien-Cheng Chen, Yuan-Liang Jeng, Shun-Chang Yen
Applicability Of Reducing Valve Timing Overlap For Diesel Engines Under High Exhaust Back Pressure, Chien-Cheng Chen, Yuan-Liang Jeng, Shun-Chang Yen
Journal of Marine Science and Technology
The exhaust back pressure of diesel engines becomes increasing higher nowadays. As an example, the De-NOx system and DE-SOx system necessitated by the increasingly stringent emission standards, would result in increased exhaust back pressure for those diesel engines adopting such systems. Some ships adopt underwater exhaust system to save space on the working deck and to reduce noise and air pollution, while the hydrostatic pressure under water level has made the exhaust back pressure of diesel engines getting much higher. Under high exhaust back pressure, to keep discharging exhaust unhindered and operating smoothly for diesel engine, it often results in …
Adaptive Prediction Horizon Energy-Saving Collision-Free Mpc Of Ships Based On Ship-Shore Cooperation, Han Xue, Enjie Yang
Adaptive Prediction Horizon Energy-Saving Collision-Free Mpc Of Ships Based On Ship-Shore Cooperation, Han Xue, Enjie Yang
Journal of Marine Science and Technology
ABSTRACT:In order to perform the close association between ship maneuvering control and energy consumption through the control strategy, this paper designs an adaptive prediction horizon based energy-saving robust nonlinear model predictive control (APHERNMPC) for underactuated ships to deal with the actual control and state constraints during berthing based on ship-shore cooperation. An improved Emperor Penguin Optimizer (EPO) method is proposed for collision avoidance decision. To solve the problems of falling into local optimum and reducing the convergence speed, the traditional EPO is improved based on Sobol sequence in order to enhance the diversity and ergodicity of the population. The multi-ship …
Elimination Of Noise In A Ship Cabin Using Multi-Layered Acoustic Boards: An Apso And Sa Approach, Min-Chie Chiu, Ho-Chih Cheng
Elimination Of Noise In A Ship Cabin Using Multi-Layered Acoustic Boards: An Apso And Sa Approach, Min-Chie Chiu, Ho-Chih Cheng
Journal of Marine Science and Technology
A high level of noise, combined with pure tones, is often encountered in ship's cabins, leading to severe psychological and physiological issues for the crew. To address this problem, an indoor noise abatement solution becomes necessary that utilizes efficient acoustic boards integrated with resonators, positioned along the inner walls of the cabin. However, the thickness of the acoustic boards must be strictly limited due to maintenance and operational considerations. This limitation results in insufficient sound absorption capabilities and a restricted range of tuned frequencies, as the resonating frequency of a standard Helmholtz resonator is closely tied to its cavity. A …
Application Of Density Altitude Climatology To General Aviation Impacts, Thomas A. Guinn Ph.D., Daniel J. Halperin Ph.D., Sarah Strazzo Ph.D.
Application Of Density Altitude Climatology To General Aviation Impacts, Thomas A. Guinn Ph.D., Daniel J. Halperin Ph.D., Sarah Strazzo Ph.D.
Journal of Aviation/Aerospace Education & Research
Density altitude (DA) plays a key role in flight safety because it helps pilots anticipate poor aircraft performance when temperatures are warmer than standard. In this study, a 30-year climatology of DA for the conterminous United States was created using the fifth-generation European Centre for Medium-Range Weather Forecasts atmospheric reanalysis of the global climate (ERA5) dataset was applied to four separate DA-based, aircraft-performance, rules-of-thumb for general aviation (GA) flight. The goal was to demonstrate a technique to create educational visualization tools showing the variation of operational flight impacts with both month and location. Four such parameters were chosen to show …
A Preliminary Study On Floating Flexible Otec Cold Water Pipe, Nai Kuang Liang, Hai Kuan Peng
A Preliminary Study On Floating Flexible Otec Cold Water Pipe, Nai Kuang Liang, Hai Kuan Peng
Journal of Marine Science and Technology
Ocean Thermal Energy Conversion (OTEC) requires a large amount of cold seawater. The traditional rigid pipe, semi-rigidly fixed onto the ship bottom is not easy to install and disassemble, so the Floating Flexible Cold Water Pipe (FFCWP) flexibly connected to the ship is proposed. A small FFCWP was designed, fabricated, and successfully installed and recovered in the sea. The flexible pipe adopts commercially available fire ventilation snake pipe. The pipe wall material strength must be improved in the future. Assuming that the drag coefficient Cd value is 1.5, a numerical calculation is employed to simulate the FFCWP attitude from the …
Machine Learning With Multi-Source Data To Predict And Explain Marine Pilot Occupational Accidents, Gokhan Camliyurt, Youngsoo Park, Daewon Kim, Won Sik Kang, Sangwon Park
Machine Learning With Multi-Source Data To Predict And Explain Marine Pilot Occupational Accidents, Gokhan Camliyurt, Youngsoo Park, Daewon Kim, Won Sik Kang, Sangwon Park
Journal of Marine Science and Technology
Marine pilot occupational accidents during transfer to/from ships are the primary concern of the International Marine Pilots’ Association (IMPA) and industry professionals. There are multiple transfer methods for marine pilots, with the most common being the pilot boat. To reach the mother ship bridge, the following stages must be safely completed: car transfer, walking on the pier, pier to pilot boat, pilot transfer by boat, cutter to pilot ladder, mother ship freeboard climbing, and ship deck to the bridge. Each stage has its own risk. Previous accident records and expert opinions are commonly used to conduct a risk analysis and …
Evaluation Of Operational Performance Of Wusongkou Cruise Port Through Network Data Envelopment Analysis, Qian-Feng Wang, Guo-Ya Gan, Xin-Liang Ye, Hsuan-Shih Lee
Evaluation Of Operational Performance Of Wusongkou Cruise Port Through Network Data Envelopment Analysis, Qian-Feng Wang, Guo-Ya Gan, Xin-Liang Ye, Hsuan-Shih Lee
Journal of Marine Science and Technology
As major hubs for cruise berthing and passenger transfers, cruise ports in China were developing rapidly in the years before the COVID-19 pandemic because of an ever-growing regional market. Wusongkou Cruise Port is the most important port for cruise ships in China, and this study evaluated the operational performance of this port during 2011–2020. To this end, two-stage network data envelopment analysis was conducted to evaluate the port’s operation performance; subsequently, the change trajectory of the port’s operational efficiency during 2011–2020 was determined, and the potential reasons for the identified changes are discussed. Finally, suggestions for improving the operational performance …
The Changing Tides Of Action To Address Ocean Acidification In Maine, Ivy L. Frignoca, Heather R. Kenyon
The Changing Tides Of Action To Address Ocean Acidification In Maine, Ivy L. Frignoca, Heather R. Kenyon
Maine Policy Review
As carbon dioxide emissions continue to rise worldwide, ocean acidification has become a consequence that threatens both human and natural processes. On a global scale, ocean acidification is relatively well understood. However, the complex ecosystem of the nearshore environment presents challenges for monitoring and addressing ocean acidification. In a state such as Maine, whose communities heavily depend on the health of the coastal environment, understanding this threat becomes critically important.
In 2014, Maine’s legislature established a six month study commission to investigate this problem and produce recommendations. The commission proposed a coast-wide monitoring network that could identify and use a …
Coastal Water Temperature Guide, Andrew Allegra
Coastal Water Temperature Guide, Andrew Allegra
Benefits of Ocean Observing Catalog (BOOC)
● Near real-time temperatures are from NOAA's National Ocean Service (NOS) tidal stations and Physical Oceanographic Real-Time System (PORTS®).
● Recent and near real-time water temperatures are also from NOAA's National Data Buoy Center (NDBC) moored buoys.
● Daily Averaged Sea Surface Temperature (SST) is from NOAA NCEI’s 1/4° Daily Optimum Interpolation Sea Surface Temperature (OISST) data set. It is a blended SST file of buoy, ship, Argo, and satellite observations.
The Olympic Coast As A Sentinel: An Integrated Social-Ecological Regional Vulnerability Assessment To Ocean Acidification, Courtney Cochran
The Olympic Coast As A Sentinel: An Integrated Social-Ecological Regional Vulnerability Assessment To Ocean Acidification, Courtney Cochran
Benefits of Ocean Observing Catalog (BOOC)
Timestamp: 44862.4626207986 Email Address: courtney.cochran@noaa.gov Name: Courtney Cochran Affiliation: NOAA Affiliate (UCAR Contractor) Program Office/Division: Ocean Acidification Program Position Title: Program Specialist III Title of use case: The Olympic Coast as a Sentinel: An Integrated Social-Ecological Regional Vulnerability Assessment to Ocean Acidification Authors or Creators: Newton, J. ; Poe, M. ; Alin, S. ; Chadsey, M. ; Feely, R. ; Fradkin, S. ; Hagen, J. ; Ledford, J. ; Koehlinger, J. A. ; Schumacher, J. ; Siedlecki, S. ; Svec, R. ; Waddell, J. ; Watkinson-Schutten, M Affiliations of Authors or Creators: University of Washington Applied Physics Lab and the …
Marine Heat Waves, Andrew Allegra
Marine Heat Waves, Andrew Allegra
Benefits of Ocean Observing Catalog (BOOC)
Marine heatwave data sets are calculated by NOAA’s National Centers for Environmental Information using Optimum Interpolation Sea Surface Temperature (OISST) data. The NOAA 1/4° OISST is a long-term Climate Data Record that incorporates observations from different platforms (satellites, ships, buoys and Argo floats) into a regular global grid. The in situ component of this input is critical.
Geo Blueplanet - Noaa Coastwatch - Esri Coastal Eutrophication Index In Support Of Sustainable Development Goal 14.1.1, Merrie Beth Neely
Geo Blueplanet - Noaa Coastwatch - Esri Coastal Eutrophication Index In Support Of Sustainable Development Goal 14.1.1, Merrie Beth Neely
Benefits of Ocean Observing Catalog (BOOC)
Timestamp: 44819.6683347106 Email Address: merrie.neely@noaa.gov Name: Merrie Beth Neely Affiliation: Global Science and Technology Program Office/Division: NESDIS/STAR/SOCD/NOAA CoastWatch Position Title: research scientist (contractor) Title of use case: GEO BluePlanet - NOAA CoastWatch - ESRI Coastal Eutrophication Index in support of Sustainable Development Goal 14.1.1 Authors or Creators: Neely, M and Lance, V Affiliations of Authors or Creators: GST, Inc. (Neely) and NOAA Federal (Lance) Contributors: Smail, E. and Ramachandran, S Affiliation of Contributors: GEO BluePlanet (Smail) and RIVA (Ramachandran) Description: UN Environment requested assistance developing two satellite-based ocean color indicators of coastal eutrophication. This global product covers the EEZs for …
Critical Use Of Noaa Coastwatch Great Lakes Node Remote Sensing Of Sea Ice For Uscg Mission Planning, Merrie Beth Neely
Critical Use Of Noaa Coastwatch Great Lakes Node Remote Sensing Of Sea Ice For Uscg Mission Planning, Merrie Beth Neely
Benefits of Ocean Observing Catalog (BOOC)
Timestamp: 44823.3273319444 Email Address: merrie.neely@noaa.gov Name: Merrie Beth Neely Affiliation: Global Science and Technology, Inc. Program Office/Division: NESDIS/STAR/SOCD/NOAA CoastWatch Position Title: Research Scientist (contractor) Title of use case: Critical Use of NOAA CoastWatch Great Lakes Node Remote Sensing of Sea Ice for USCG mission planning Authors or Creators: Neely, M.B. and Lance, V. Affiliations of Authors or Creators: GST, Inc. (Neely) and NOAA Federal (Lance) Contributors: VanderWoude, A and Liu, S. Affiliation of Contributors: NOAA Federal (VanderWoude), CIGLR - University of Michigan (Liu) Description: USCG uses NOAA CoastWatch-supplied true-color imagery, the RADARSAT ice classification, and ice extent imagery when selecting …
Booc Api Test, Anthony Castellletto
Booc Api Test, Anthony Castellletto
Benefits of Ocean Observing Catalog (BOOC)
This is just a test to see if I can read data from a published case through the Digital Commons API. Just ignore this case.
Tony Castelletto
Global Forecasts Of Marine Heatwaves, Michael Jacox
Global Forecasts Of Marine Heatwaves, Michael Jacox
Benefits of Ocean Observing Catalog (BOOC)
Timestamp: 44862.4486656366 Email Address: michael.jacox@noaa.gov Name: Michael Jacox Affiliation: NOAA Southwest Fisheries Science Center and NOAA Physical Sciences Laboratory Program Office/Division: Position Title: Research oceanographer Title of use case: Global forecasts of marine heatwaves Authors or Creators: Jacox, M., Alexander, M., Amaya, D., Becker, B., Bograd, S., Brodie, S., Hazen, E., Pozo Buil, M., Tommasi, D., Hsu, C.-W., Smith, C. Affiliations of Authors or Creators: NOAA Physical Sciences Laboratory; NOAA Southwest Fisheries Science Center; University of Colorado; University of Miami; University of California Santa Cruz Contributors: Affiliation of Contributors: Description: Researchers used climate forecast systems to develop global marine heatwave …
Understanding Comprehensive Flood Risk With Noaa Data, Kate Quigley
Understanding Comprehensive Flood Risk With Noaa Data, Kate Quigley
Benefits of Ocean Observing Catalog (BOOC)
Timestamp: 44806.3799229514 Email Address: kate.quigley@noaa.gov Name: Kate Quigley Affiliation: NOAA Program Office/Division: NOS OCM Position Title: Economist Title of use case: Understanding Comprehensive Flood Risk with NOAA Data Authors or Creators: NOAA OCM Digital Coast website Affiliations of Authors or Creators: NOAA OCM Contributors: Doug Marcy Affiliation of Contributors: NOAA OCM Description: The Beyond Floods app features a flood outlook score and detailed reports for each individual property. This score is an abstraction of more than 25 factors related to real estate, social perception, flood insurance, flood mitigation and losses, infrastructure, and geomorphology. Syndeste used data from NOAA’s digital elevation …
Spatial And Temporal Variations Of Microplastics Within Humboldt Bay, California, Isabelle M. Marcus, Tamara B. Barriquand, Rebecca M. Thompson, Bennett C. Hosselkus, Cole T. Hutson, Michael Jacobs, Connor Mcneil, Leah Newton, Stephanie M. Olivarez, Jeffrey Abell
Spatial And Temporal Variations Of Microplastics Within Humboldt Bay, California, Isabelle M. Marcus, Tamara B. Barriquand, Rebecca M. Thompson, Bennett C. Hosselkus, Cole T. Hutson, Michael Jacobs, Connor Mcneil, Leah Newton, Stephanie M. Olivarez, Jeffrey Abell
CSU Journal of Sustainability and Climate Change
This study aimed to quantify microplastic (MP) concentration and analyze the spatial and temporal variabilities of the concentrations during the tidal cycle in Humboldt Bay, California. To get an approximation of MP concentration, both water and sediment samples were taken at five different stations, twice during one tidal cycle. Sampling was conducted during two different cruises, on the 19th and 21st of September 2020. The samples were processed in the lab using a density separation procedure and filtration. MP concentrations in the different samples were determined using an average optical microscopy count. Comparison of the water column MP concentrations during …
The How And Why Of Visual Practice At Un Climate Negotiations, Stéphanie Heckman
The How And Why Of Visual Practice At Un Climate Negotiations, Stéphanie Heckman
New England Journal of Public Policy
In this article Stéphanie Heckman examines the process and outcomes of her graphic recording work and other forms of visual practice in the context of UN climate negotiations, reflecting on three years of collaboration with the UN Climate Change Secretariat, particularly during the eighteen-month Global Stocktake process. After a review of the history and science behind visual storytelling, she analyses one of the graphic recordings made for the third meeting of the Technical Dialogue of the Global Stocktake through the lens of Kelvy Bird’s ‘Levels of Scribing’ model. Drawing on comments from delegates at COP27 in Sharm el-Sheikh, Egypt and …
The Role Of Carbon Management Technologies In Meeting Net Zero, Ali Al-Saffar
The Role Of Carbon Management Technologies In Meeting Net Zero, Ali Al-Saffar
New England Journal of Public Policy
The pathway toward implementing the changes necessary in the energy sector to keep global temperature rises from breaking through catastrophic barriers is narrow and tenuous and will require a range of zero- and low-carbon technologies to be dispatched at a speed and scale that is virtually unprecedented. Decarbonization through renewables, matched with the more efficient use of energy in the end-use sectors will play a large part. But there is growing realization that there will be residual fossil fuel use long into the future, and that the emissions from the burning of these fossil fuels in power plants and factories …
The Gulf: An Appeal For More Coordinated Action On Climate Change, Fareed Yasseen
The Gulf: An Appeal For More Coordinated Action On Climate Change, Fareed Yasseen
New England Journal of Public Policy
This article seeks to provide the rationale behind Iraqi Prime Minister Al-Sudani’s call at the United Nations for the formation of a negotiating group within the United Nations Framework Convention on Climate Change process that brings together all member states of the Gulf Cooperation Council, Iraq, and Iran. This article argues that these countries would benefit doubly from such an arrangement, because it would help them better address the direct effects of climate change, on the one hand, and to better address the effects of the measures taken to address climate change, which will affect them as fossil fuel producers, …
Editor's Note, Padraig O'Malley, Adanna C. Kalejaye
Editor's Note, Padraig O'Malley, Adanna C. Kalejaye
New England Journal of Public Policy
To coincide with COP28 in Dubai, this issue of the New England Journal of Public Policy published a series of articles on climate warming.
Results Of Cop27 And Expectations For Cop28, Cecilia Kinuthia-Njenga, Fareed Yasseen
Results Of Cop27 And Expectations For Cop28, Cecilia Kinuthia-Njenga, Fareed Yasseen
New England Journal of Public Policy
Since 1995, government representatives from around the world have gathered nearly every year for the United Nations Conference of the Parties (COP) to advance work on multilateral agreements and to provide a way forward in tackling the significant challenges of climate change. The last of these conferences took place on November 6–20, 2022, in Sharm el-Sheikh, Egypt.
COP27 brought together more than 35,000 people from across the globe to deliberate on important actions for addressing the climate. Hailed as the “African COP” and “Implementation COP,” it raised expectations that decisions from previous conferences, reflecting the needs and priorities of the …