{"title":"What was achieved at the Dubai COP28 Climate Conference: Opinion note","authors":"Russo Ricardo O","doi":"10.17352/ojeb.000040","DOIUrl":"https://doi.org/10.17352/ojeb.000040","url":null,"abstract":"The opinion note presents the author's evaluation of the accomplishments of The COP28 climate conference in Dubai, which took place from November 30 to December 12, 2023. It is noted that a significant level of consensus was achieved during the conference. A notable majority of nations, such as the European Union (EU), the Alliance of Small Island States (AOSIS), the United Kingdom, Australia, Canada, and the United States, acknowledged the imperative of transitioning away from fossil fuels. Despite facing resistance from major oil-producing nations in the region, the conference managed to arrive at acceptable resolutions by the conclusion of the event.","PeriodicalId":497848,"journal":{"name":"Open journal of environmental biology","volume":"91 25","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Seedling emergence, periodic growth, and survival of some multipurpose agroforestry tree species of Garhwal Himalaya","authors":"Rawat Kanchan, Dhanai Cs, Khanduri Vp, Singh Bhupendra","doi":"10.17352/ojeb.000039","DOIUrl":"https://doi.org/10.17352/ojeb.000039","url":null,"abstract":"This study evaluated the seedling emergence behavior, growth performance, leaf area, and biomass allocation of seven multipurpose tree species (Celtis australis, Grewia optiva, Bauhinia retusa, Bauhinia variegata, Ficus auriculata, Quercus semecarpifolia, Quercus floribunda). The (emergence) germination experiments were conducted under the polyhouse condition in poly bags. Significant differences (p < 0.05) were found among different tree species for nursery germination percent. The seedling emergence and Seedling Vigour Index (SVI) significantly varied among all the seven multipurpose tree species. Seed germination was maximum (80%) recorded in G. optiva and minimum (21%) was recorded in Q. semecarpifolia irrespective of tree species. Significant (p < 0.05) variation was also observed for Mean Germination Time (MGT) and Germination Index (GI) among tree species. Significant variations were found in the performances of seedling growth for leaf area in periodic intervals and it is also noted that a significant difference was found in the performance of seedling growth for survival percentage at periodic intervals.","PeriodicalId":497848,"journal":{"name":"Open journal of environmental biology","volume":" 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139625288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enrichment and remediation of uranium by microorganisms: A review","authors":"Yu Qiuhan, Cui Ouyang","doi":"10.17352/ojeb.000037","DOIUrl":"https://doi.org/10.17352/ojeb.000037","url":null,"abstract":"Uranium is a key raw material for the nuclear energy industry, the generation of nuclear energy is projected to double by 2040 to address the growing energy demands, which makes the uranium supply a matter of energy security. In addition, uranium is a heavy metal with both chemotoxicity and radiotoxicity, which seriously endangers human health and environmental safety. The growth in the utilization of uranium resources boosts the release of uranium into the environment. Therefore, the remediation of uranium contamination and recovery of uranium from a non-conventional approach is highly needed. Microorganism exhibits a high potential for immobilization of uranium. This review summarizes the ability of microorganisms to immobilize uranium from aqueous solutions and wastewater in terms of microbial species, performance, mechanism of enrichment and remediation, and applicable environment.","PeriodicalId":497848,"journal":{"name":"Open journal of environmental biology","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135823279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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