It is relatively well accepted that climate change can affect human pathogenic diseases; however, the full extent of this risk remains poorly quantified. Here we carried out a systematic search for empirical examples about the impacts of ten climatic hazards sensitive to greenhouse gas (GHG) emissions on each known human pathogenic disease. We found that 58% (that is, 218 out of 375) of infectious diseases confronted by humanity worldwide have been at some point aggravated by climatic hazards; 16% were at times diminished. Empirical cases revealed 1,006 unique pathways in which climatic hazards, via different transmission types, led to pathogenic diseases. The human pathogenic diseases and transmission pathways aggravated by climatic hazards are too numerous for comprehensive societal adaptations, highlighting the urgent need to work at the source of the problem: reducing GHG emissions.
Recent modeling studies show groundwater inundation (GWI) of coastal wastewater infrastructure (e.g., sewer lines, cesspools) with sea-level rise. Still, this process has not been empirically demonstrated prior to this study. Here, we use geochemical tracers to demonstrate that tidally driven GWI of wastewater infrastructure is occurring today leading to wastewater discharge to the coast and storm drains in urban Honolulu, Hawai'i. The results of this study indicate that higher ocean water levels are leading to negative impacts to coastal water quality, biogeochemical cycling, and ecological health.
International research is necessary in aquatic sciences because water moves across borders. Historically, international collaborations have been useful in conducting oceanographic research programs, which span large distances and require several funding sources. Although valuable, international research can have unforeseen challenges to the unprepared researcher. Communication with an international collaborator and professional development training can mitigate these pitfalls. The Limnology and Oceanography Research Exchange Program (LOREX) is an opportunity for graduate students to gain experience developing international collaborations. The LOREX program aims to help graduate students develop connections and gain experience in international research. During the summer of 2019 and spring of 2020, 26 graduate students from 24 U.S. institutions will travel to one of six different host institutions to conduct a research project that they developed with an international collaborator. To prepare for their research experience, LOREX participants participated in training programs during the 2019 Aquatic Sciences Meeting in San Juan, Puerto Rico. The first group of LOREX graduate students will share their experience through social media and blog posts throughout their journey. Applications are now open for the second cohort of LOREX participants, and potential applicants are encouraged to contact potential collaborators to develop a research project.
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