The largest factor for northward expansion of tropical species is whether they will suffer from freezing conditions or not, and as winter’s have warmed the line where those conditions occur has moved northward.
Scientists have found that multiple tropical plant and animal species, such as mangrove trees and manatees, are already expanding northward resulting in what is called tropicalization. Social determinants and structural inequities such as systemic racism, segregation, discriminatory policies, socioeconomic status, education, neighborhoods and physical environments, employment, social support structures, and access to healthcare largely drive asthma disparities.Ī recent review has highlighted that warming winters are likely to result in an expanded range for some tropical plants and animals across the United States. The Asthma and Allergy Foundation of America reported that asthma disproportionately affects Black, Hispanic, and native populations, who all have higher asthma rates, hospitalizations, and death. pollen season from 11 to 27 days, a trend that will only increase the length and severity of seasonal allergies. From 1995 to 2011, warmer temperatures have increased the U.S. Roughly 7.8% of Americans who are 18 and older have hay fever and 7.7% of adults have asthma. These higher concentrations of pollen exacerbate allergies and asthma. As temperatures warm, flowers and plants bloom earlier which increases the concentration of pollen and carbon dioxide. Asthma and seasonal allergies will become worse as temperatures increase from climate change according to the Asthma and Allergy Foundation of America.
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