Corporate environmental performance (CEP) is widely acknowledged as a multidimensional construct. The researchers in the field of ecology, environmental management, and sustainability studies have ...long faced the dilemma of how exactly to measure CEP, given the vast array of instruments available and the lack of an operational definition. Our aim was to propose a new conceptualization of CEP based on a comprehensive and critical review of three decades of dedicated research. First, in order to provide an operationalization of the multidimensional construct of CEP, several academic and industry-based CEP reporting inventories are reassembled into a large set of 140 indicators grouped into 14 functional categories, identified using the grounded theory approach. Second, the critical review proposes a classification and discussion of empirical contributions according to their data sources, based on the content analysis of 172 empirical papers (published between 1980 and 2017), using the variable “corporate environmental performance”. Third, we discuss the pros and cons of using certain types of CEP measures and we suggest relevant guidelines for researchers on how to choose the adequate instruments which maximize both the reliability of data sources and the construct validity of CEP measures. Fourth, a new definition of CEP highlights the pivotal concept of environmental impact and the corporate goal of reducing and preventing environmental harm. Finally, we discuss the future of CEP research, given the opportunity and necessity for a more relevant and dimensional approach to measurement.
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•A critical review of 172 papers containing the variable environmental performance.•A discussion of reliability and validity of instruments used in the literature.•Recommendations for researchers on how to choose the adequate instruments.•A new definition of corporate environmental performance.•A call for a functional approach to environmental performance measurement.
The European body of research on corporate environmental performance has not yet reached maturity. That is mainly due to the limited access researchers have to raw environmental performance data, in ...conjunction with an often sterile approach to developing proxies and indicators for this type of corporate performance. Moreover, annual sustainability reports are often neglected in spite of their capacity to produce a compelling longitudinal research perspective. The present article offers a critical reading of the last decade's sustainability reports from the top five largest European oil and gas companies. On account of their significant contribution to global warming, the sample companies (i.e. BP, Total, Shell, BG Group and Eni) have been scrutinized for their ability to provide high-quality environmental disclosures at group-level. Given the sophistication of emissions data collection and estimation tools such as the Greenhouse Gas (GHG) Protocol, it comes as a surprise that these five industry leaders have issued reports containing unexplained figures and methodological inconsistencies. Finally, the reader is persuaded that empirical research in the field of corporate environmental performance should mostly be about creating a context for discussing a firm's commitment to sustainability, rather than modelling irrelevant cross-sectional data to find similarities between incomparable cases.
Arnica montana L. is a medicinal plant with significant conservation importance. It is crucial to monitor this species, ensuring its sustainable harvesting and management. The aim of this study is to ...develop a practical system that can effectively detect A. montana inflorescences utilizing unmanned aerial vehicles (UAVs) with RGB sensors (red–green–blue, visible light) to improve the monitoring of A. montana habitats during the harvest season. From a methodological point of view, a model was developed based on a convolutional neural network (CNN) ResNet101 architecture. The trained model offers quantitative and qualitative assessments of A. montana inflorescences detected in semi-natural grasslands using low-resolution imagery, with a correctable error rate. The developed prototype is applicable in monitoring a larger area in a short time by flying at a higher altitude, implicitly capturing lower-resolution images. Despite the challenges posed by shadow effects, fluctuating ground sampling distance (GSD), and overlapping vegetation, this approach revealed encouraging outcomes, particularly when the GSD value was less than 0.45 cm. This research highlights the importance of low-resolution image clarity, on the training data by the phenophase, and of the need for training across different photoperiods to enhance model flexibility. This innovative approach provides guidelines for mission planning in support of reaching sustainable management goals. The robustness of the model can be attributed to the fact that it has been trained with real-world imagery of semi-natural grassland, making it practical for fieldwork with accessible portable devices. This study confirms the potential of ResNet CNN models to transfer learning to new plant communities, contributing to the broader effort of using high-resolution RGB sensors, UAVs, and machine-learning technologies for sustainable management and biodiversity conservation.
The article entitled "Decarbonization of the Romanian Economy: An ARDL and KRLS Approach of Ecological Footprint" uses the Environmental Kuznets Curve (EKC) paradigm to study the causal relationship ...between the ecological footprint, as an indicator of sustainable development and several variables (i.e., gross domestic product per capita, the KOF globalization index, fossil fuel energy consumption, and carbon dioxide emissions). The results indicate the existence of a relationship between these variables, in the long-term and in the short-term. ...there is the need to set up instruments aimed at climate neutrality, according to the objectives assumed by Romania through the Green Deal of the European Union. The analyzed companies were classified into four homogeneous groups: leading companies, rising companies, companies that make sacrifices and companies that stagnate. ...a two-way relationship between the environmental and financial performance of companies was identified. ...environmental, social or governance controversies are a factor that negatively affects the likelihood of a higher credit rating in the future. ...European banks should pay particular attention to avoiding such controversies as a source of reputational risk, so that their credit ratings are not affected.
Summary Objective To estimate the lifetime risk of symptomatic hip osteoarthritis (OA). Design We analyzed data from the Johnston County Osteoarthritis Project a longitudinal population-based study ...of OA in North Carolina, United States ( n = 3068). The weighted baseline sample comprised 18% blacks and 54% women, and the mean age was 63 years (range = 45–93). Symptomatic hip OA was defined as a Kellgren–Lawrence (K–L) radiographic score of ≥2 (anterior–posterior pelvis X-rays) and pain, aching or stiffness on most days, or groin pain, in the same hip. Lifetime risk, defined as the proportion who developed symptomatic hip OA in at least one hip by age 85, among people who live to age 85, was modeled using logistic regression with repeated measures (through generalized estimating equations). Results Lifetime risk of symptomatic hip OA was 25.3% 95% confidence interval (CI) = 21.3–29.3. Lifetime risk was similar by sex, race, highest educational attainment, and hip injury history. We studied lifetime risk by body mass index (BMI) in three forms: at age 18; at baseline and follow-up; and at age 18, baseline and follow-up and found no differences in estimates. Conclusion The burden of symptomatic hip OA is substantial with one in four people developing this condition by age 85. The similar race-specific estimates suggest that racial disparities in total hip replacements are not attributable to differences in disease occurrence. Despite increasing evidence that obesity predicts an increased risk of both hip OA and joint replacement, we found no association between BMI and lifetime risk.
The purpose of this study is to investigate the differences between developed countries in terms of corporate governance outcomes at aggregate and granular levels. The population of companies was ...collected from the database curated by Refinitiv. The sample was selected according to two criteria: the existence of governance scores for the financial year 2021 and the registration of a company in any of the G20 countries or the European Union. The results are presented by ranking the G20 countries based on four aggregate indicators and four granular indicators of corporate governance quality. While the differences regarding the aggregate indicators are not statistically strong, the intercountry differences on board independence, board gender diversity, board skills, and auditor tenure are especially relevant. The present article opens an avenue of research on international corporate governance linked to cultural dimensions, comparative legal systems, national approach to corporate social responsibility, and corporate governance principles.
ABSTRACT We report the discovery of EPIC 201702477b, a transiting brown dwarf in a long period (40.73691 0.00037 day) and eccentric (e = 0.2281 0.0026) orbit. This system was initially reported as a ...planetary candidate based on two transit events seen in K2 Campaign 1 photometry and later validated as an exoplanet candidate. We confirm the transit and refine the ephemeris with two subsequent ground-based detections of the transit using the Las Cumbres Observatory Global Telescope 1 m telescope network. We rule out any transit timing variations above the level of ∼30 s. Using high precision radial velocity measurements from HARPS and SOPHIE we identify the transiting companion as a brown dwarf with a mass, radius, and bulk density of 66.9 1.7 MJ, 0.757 0.065 RJ, and 191 51 g cm−3 respectively. EPIC 201702477b is the smallest radius brown dwarf yet discovered, with a mass just below the H-burning limit. It has the highest density of any planet, substellar mass object, or main-sequence star discovered so far. We find evidence in the set of known transiting brown dwarfs for two populations of objects-high mass brown dwarfs and low mass brown dwarfs. The higher-mass population have radii in very close agreement to theoretical models, and show a lower-mass limit around 60 MJ. This may be the signature of mass-dependent ejection of systems during the formation process.
The aim of the present study is to assess the impact of structural capital intensity and utilization on firm profitability in an international setting: the European Union countries, plus Norway, ...Switzerland and the United Kingdom. The indicators are calculated based on financial data downloaded from the Refinitiv Eikon database. Two financial ratios are used as proxies for the intensity and utilization of structural capital. The balanced panel consists of 625 companies from 25 countries, over the period from 2013 to 2022. The panel includes financial information on two industries that are considered innovation-oriented, namely technology and healthcare. Alternative model specifications are proposed to test the robustness of the basic model, including dynamic models (with lagged dependent variables). The present study indicates that a higher proportion of structural capital (intangible assets, excluding goodwill) is a negative factor for company profitability in the technology and healthcare sectors. There is no indication that a more intense use of intangible assets and more investments in R&D positively contribute to company profitability in the respective industries, for a large sample of listed companies. A higher proportion of intangible assets, as reported in financial statements, is possibly related to inefficiencies in the management of structural capital. The inverse relationship between profitability and investments in intangible assets is likely due to failures in cost accounting. Limitations and future research propositions are provided in the conclusions.
To report contemporary estimates of the prevalence of knee-related osteoarthritis (OA) outcomes in African Americans and Caucasians aged > or = 45 years.
Weighted prevalence estimates for knee ...symptoms, radiographic knee OA, symptomatic knee OA, and severe radiographic knee OA were calculated for age, ethnic, and sex subgroups, in 3018 participants (33% African Americans, 38% men) in the baseline examination (1991-97) of The Johnston County Osteoarthritis Project, a population-based study of OA in North Carolina. Radiographic knee OA was defined as Kellgren-Lawrence radiographic grade > or = 2, severe radiographic knee OA as grades 3 and 4, and symptomatic knee OA as knee symptoms in a knee with radiographic OA.
Knee symptoms were present in 43%, 28% had radiographic knee OA, 16% had symptomatic knee OA, and 8% had severe radiographic knee OA. Prevalence was higher in older individuals and women. African Americans had slightly higher prevalence of knee symptoms, radiographic knee OA, and symptomatic knee OA, but significantly higher prevalence of severe radiographic knee OA compared to Caucasians.
Policy should be directed to increasing education of the public and the medical community about the high prevalence of these conditions, especially in these subgroups, to decrease their impact and ultimately prevent them.
ABSTRACT
We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star HD73583 (TOI-560). We perform an ...intensive spectroscopic and photometric space- and ground-based follow-up in order to confirm and characterize the system. We found that HD73583 is a young (∼500 Myr) active star with a rotational period of 12.08 ± 0.11 d, and a mass and radius of 0.73 ± 0.02 M⊙ and 0.65 ± 0.02 R⊙, respectively. HD 73583 b (Pb = $6.3980420 _{ - 0.0000062 } ^ { + 0.0000067 }$ d) has a mass and radius of $10.2 _{ - 3.1 } ^ { + 3.4 }$ M⊕ and 2.79 ± 0.10 R⊕, respectively, which gives a density of $2.58 _{ - 0.81 } ^ { + 0.95 }$ ${\rm g\, cm^{-3}}$. HD 73583 c (Pc = $18.87974 _{ - 0.00074 } ^ { + 0.00086 }$ d) has a mass and radius of $9.7 _{ - 1.7 } ^ { + 1.8 }$ M⊕ and $2.39 _{ - 0.09 } ^ { + 0.10 }$ R⊕, respectively, which translates to a density of $3.88 _{ - 0.80 } ^ { + 0.91 }$ ${\rm g\, cm^{-3}}$. Both planets are consistent with worlds made of a solid core surrounded by a volatile envelope. Because of their youth and host star brightness, they both are excellent candidates to perform transmission spectroscopy studies. We expect ongoing atmospheric mass-loss for both planets caused by stellar irradiation. We estimate that the detection of evaporating signatures on H and He would be challenging, but doable with present and future instruments.
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