Page 19 - GHES-3-3
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Global Health Economics and
            Sustainability
                                                                                      Sustainable therapeutic Artemisia


            and transportation for a carbon dioxide equivalent (CO )   7. Conclusion
                                                        2e
            of 122 g CO /treatment. The LMA Artemisia tea approach
                     2e
            inputs included  the Artemisia leaves, packaging, and   For millennia, humans have experimented with the
            transportation for a carbon dioxide equivalent (CO ) of   natural world, especially plants, to discover mixtures and
                                                      2e
            15 g CO /treatment. These inputs reflect those detailed   species  that could  aid  in promoting health.  While not
                                                               all herbs and plants are necessarily safe to use directly,
                   2e
            in  Tables  2  and  3.  Carbone  4  estimated  that  shifting   A. annua and A. afra are two excellent examples of plants
            from 100% ACT to 100% Artemisia tea infusion could   with robust histories of traditional use for the treatment
            save 25 kt CO , equivalent to 100 million km driven by   of various ailments. Both Artemisia species appear to be
                       2e
            automobiles.
                                                               therapeutically effective when used as an oral complex
            6.2. Climate change effects on Artemisia:          mixture including plant extracts and the whole plant.
            Temperature, water, and CO 2                       Production and use costs are reduced with a smaller carbon
            Our changing climate will alter regional agricultural   footprint. This results in not only greater efficacy but also
                                                               enhanced economic and environmental sustainability, all
            outputs with increased heat, drought, excessive rainfall,   of which the NGO La Maison d’Artemisia appears to have
            or cold temperatures. Modeling suggests that Artemisia   achieved.
            cultivation, currently optimized in the mid-latitudes,
            will be adversely affected by climate change, potentially   Are we to ignore all that valuable history and
            shifting further toward the poles as equatorial regions   scientific rediscovery of these beneficial plants in favor
            and lower latitudes continue to warm; this could impact   of purifying molecules that are costly, environmentally
            current cultivation areas (Ding et al., 2020; Wang et al.,   burdensome, often less efficacious, promote income
            2022). Plant growth and metabolism are impacted    and gender inequality, and eventually contribute to
            by photosynthesis, the control of which depends on   drug resistance? We should encourage more research
            the  integration of  temperature, light intensity, and   and  approval  of  these  medicinal  plants  for  broader,
            CO  levels. When Artemisia plants were grown at CO 2   more  cost-effective  therapeutic  use,  rather  than
               2
            level of 400  ppm, increasing temperature from 30°C   cherry-pick certain options that lead to necropolitical

            to 37°C decreased  A. annua photosynthesis by 15%,   decisions. Other plant species may also offer similar
            but doubling the CO  level to 800  ppm resulted in   benefits for sustainable therapeutic use, and regulatory
                               2
            only about a 9% decrease in photosynthesis (Daussy &   bodies  should  be  more  supportive  of  the  reasonable
            Staudt, 2020). While ART was not measured, arteannuin   development and approval of such medicinal plants for
                                                               the global community.
            B, produced in a side branch of the ART biosynthetic
            pathway, decreased by 50% when CO  was doubled     Acknowledgments
                                              2
            from 400 to 800  ppm at 30°C, but by only 25% when
            both temperature and CO  were elevated. Interestingly,   Gratitude is extended to Prof. Sarah Strauss of the WPI
                                  2
            plant dry mass increased with increasing CO levels. In   Global School, Prof. Robert Krueger Social of Science and
                                                  2
            another study, ART increased only slightly in A. annua   Policy Studies, Worcester Polytechnic Institute for critical
            plantlets when CO  concentration was tripled from 500   review  of  the  manuscript,  and  to  Dr.  Melissa  Towler  of
                           2
            to 1500  µmol mol  air (Supaibulwattana  et al., 2011).   Biology and Biotechnology also from WPI for editorial
                           -1
            Prolonged water stress (drought) has a negative effect   review and the TLC images.
            on  plant biomass  productivity;  however,  if applied   Funding
            judiciously and approximately 36 h before harvest, it can
            increase ART production in A. annua leaves by almost   Some of the data shared in this report were derived
            30%  (Marchese  et al.,  2010).  Young  A. annua  requires   from studies funded to P.J. Weathers (Award No.: NIH-
            regular watering to become established with deep roots   2R15AT008277-02) from the National Center for
            but requires less attention to watering as they mature. As   Complementary and Integrative Health, which partially
            A. annua cultivation shifts in latitude, the photoperiod   funded the analysis of the plant material in this study. The
            changes, and depending on the cultivar, flowering may   content is solely the responsibility of the author and does
            be induced earlier; this can also lead to changes in   not necessarily represent the official views of the National
            biomass per hectare and alterations in phytochemical   Center for Complementary and Integrative Health or the
            concentrations, such as ART (Marchese  et al., 2023).   National Institutes of Health.
            Together, these studies show that to achieve consistent
            ART  and other  phytochemicals,  climate  change will   Conflict of interest
            affect how and where A. annua can be cultivated.   The author declares no competing interests.


            Volume 3 Issue 3 (2025)                         11                       https://doi.org/10.36922/ghes.4927
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