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排序方式: 共有157条查询结果,搜索用时 31 毫秒
51.
Lorenzo Del Savio Bettina Schmietow 《Journal of Agricultural and Environmental Ethics》2013,26(4):787-796
In this paper we argue that there is a duty to inform consumers about the environmental impact of foods, and discuss what this duty entails and to whom it falls. We analyze previous proposals that justify ethical traceability with arguments from sustainability and the respect for the autonomy of consumers, showing that they cannot ground a duty to inform. We argue instead that the duty rests on the right of consumers not to be harmed, insofar as consumers have an interest in the morality of their own agency that is frustrated if they are not informed about the environmental impact of the production and transport of what they consume. Our argument detaches the regulation of labeling from substantive theories of environmental ethics or perfectionist conceptions of citizens’ responsibility, thus defending a case for labeling that is compelling also for those who take the role of the state to be limited to the prevention of harm. 相似文献
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József Vuts Till Tolasch Lorenzo Furlan éva Bálintné Csonka Tamás Felf?ldi Károly Márialigeti Teodora B. Toshova Mitko Subchev Amália Xavier Miklós Tóth 《Chemoecology》2012,22(1):23-28
The presence of geranyl octanoate, previously found in pheromone gland extracts of Agriotes lineatus females, was also demonstrated in gland extracts of A. proximus females. Similar to A. lineatus, geranyl butanoate was present only in trace amounts in A. proximus female gland extracts. In air entrainment samples of female A. lineatus and A. proximus beetles, the relative ratio of geranyl butanoate and geranyl octanoate was higher than that in gland extracts. In addition,
comparison of a segment of the mitochondrial cytochrome c oxidase subunit I gene of feral specimens of A. lineatus and A. proximus showed >99% similarity. Both pheromone profile and nucleotide sequence analysis delineate close relationship between the
investigated taxa and postulate taxonomic revision. Further studies on sympatric populations of A. lineatus and A. proximus are underway to investigate and better understand possible processes of species diversification. 相似文献
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Chiara Gambardella Lorenzo Gallus Antonietta M. Gatti Marco Faimali Serena Carbone Livia Vittori Antisari 《Chemistry and Ecology》2014,30(4):308-316
Nanoparticles (NPs) contained in commercial products are released and enter into the aquatic ecosystem, posing serious possible risks to the environment and affecting the food chain. Therefore, investigating the potential toxicity of NPs on aquatic organisms has become an important issue. This study assessed the toxicity and trophic transfer of metal oxide NPs from marine microalgae (Cricosphaera elongata) to the larvae of the sea urchin Paracentrotus lividus. Larvae (24 h old) were fed on 2000 cell mL?1 48 h of microalgae contaminated with 5 mg L?1 of several metal oxide NPs (SiO2, SnO2, CeO2, Fe3O4) for 15 days. Larval viability and development were monitored from the 4-arm stage to the 8-arm pluteus stage. A significant decrease in survival was observed in larvae fed with microalgae exposed to SiO2 and CeO2 NPs. Abnormal development, characterised by skeletal degeneration and altered rudiment growth, was observed in all larvae fed with contaminated NP algae. Our findings revealed that SiO2 and CeO2 NPs exerted a toxic effect in the trophic interaction analysed, by reducing sea urchin larval viability, and all metal oxide NPs induced toxicological effects. In conclusion, metal oxide NPs may enter the food chain and become bioavailable for marine organisms, affecting their development. 相似文献
56.
Reigosa-Alonso Andrés Lorenzo Dacunha Ricardo Arenas-Lago Daniel Vega Flora A. Rodríguez-Seijo Andrés 《Environmental geochemistry and health》2021,43(10):4283-4297
Environmental Geochemistry and Health - Civilian and military shooting range facilities cause environmental issues in several countries due to the accumulation of Potentially Toxic Elements; as a... 相似文献
57.
Acute toxicity test of leachates from traditional and sustainable landfills using luminescent bacteria 总被引:4,自引:0,他引:4
Landfilling is a fundamental step in any waste management strategy, but it can constitute a hazard for the environment for a long time. The need to protect the environment from potential landfill emissions makes risk assessment a decision tool of extreme necessity. The heterogeneity of wastes and the complexity of physical, chemical and biological processes that occur in the body of a landfill need specific procedures in order to evaluate the groundwater risk for the environment. Given the complexity of the composition of landfill leachates, the exact contribution of each potential toxic substance cannot be known precisely. Some reference contaminants that constitute the hazard (toxicity) of leachate have to be found to perform the risk assessment. A preliminary ecotoxicological investigation with luminescent bacteria has been carried out on different leachates from traditional and sustainable landfills in order to rank the chemicals that better characterize the leachate (heavy metals, ammonia and dissolved organic content). The attention has been focused on ammonia because it is present in high concentration and can last for centuries and can seriously contaminate the groundwater. The results showed that the toxicity of the leachate might reliably depend on the ammonia concentration and that the leachate toxicity is considerably lower in sustainable landfills where the ammonia had been degraded. This has an important consequence because if the containment system fails (as usually occur within 30-50yr), the risk of groundwater contamination will be calculated easier only in terms of the probability that the ammonia concentration is higher than a reference concentration. 相似文献
58.
Daniele Fattorini Alessandra Notti Marco Nigro Francesco Regoli 《Environmental science and pollution research international》2010,17(1):220-228
Background, aim, and scope
Exceptionally high levels of trace metals have been reported in specific tissues of certain polychaetes. In the present study, the Antarctic fan worm Perkinsiana littoralis was shown to hyperaccumulate vanadium in the branchial tissues, and the hypothesis of an antipredatory strategy has been investigated 相似文献59.
60.
Lorenzo Orioli 《Journal of Agricultural and Environmental Ethics》2016,29(6):931-943
This article explores certain aspects related to the environmental ethical message in the Encyclical Letter Laudato si, written in 2015 by Pope Francis, leader of the Catholic Church, and compares them to recent Green party political movements in Italy. Italy offers a unique case study in that the religious background of the country acts as an independent variable with respect to the social acceptance of current environmental issues. The ethical message in Laudato sì is compared to recent debates on the moral responsibility of the individual and/or institution towards environmental problems; a range of responsibilities assumed by institutions versus individuals with regards to environmental problems are analyzed. In conclusion, parallels are made between the abovementioned ethical debate and the ethical contents of the Encyclical Letter. 相似文献