Other Health Effects Of Climate Change

Allergies and asthma are influenced by the growth and toxicity of numerous plant species like ragweed, poison ivy, and stinging nettle; based on limited evidence, these plants increase growth and toxicity at higher temperatures and/or concentrations of CO2 (Hunt et al., 1991; Mohan et al., 2006; USGCRP, 2009a; Ziska, 2003). Drought, changes in water resources (Chapter 8), and climate impacts on agricultural production (Chapter 10) all may have consequences for human health and nutrition (CCSP, 2008a; Epstein, 2005; Haines and Patz, 2004). There could also be an increase in psychiatric disorders, such as anxiety and depression, occurring after severe weather events that cause a disruption of the home environment and economic losses (CCSP, 2008a; Haines and Patz, 2004). Shifts in migration patterns and refugee pressures may result from changes in sea level, food production, severe weather, and drought, resulting in additional human health challenges in some areas.

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