EESA10H3 Chapter Notes - Chapter 5: Rangeland, Asthma, Threat Assessment
7 Oct 2014
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Document Summary
10 000 years ago; 5 million people inhabited the earth; few biological systems were damaged by human activity: current demands are depleting many of the earth"s natural resources and ecological services. Impact of humans on their environment is related to population size, per capita consumption, and the environmental damage caused by the technology used to produce what is consumed. Consumption levels: need reproductive health and prevention, family planning is necessary to allow a pattern of healthy childbearing. Limitation of greenhouse-gas emissions, critical to climatic stabilization, can be addressed by less reliance on and more efficient use of fossil fuels: ecofriendly sources of energy is needed. Children: most serious diseases confronting children in the us are a group of chronic, disabling, and sometimes life-threatening conditions termed the new pediatric morbidity". Asthma, childhood cancer, neurodevelopmental and behaviour disorders, diseases caused by tobacco smoke, and congenital defects of reproductive organs. 10-20% of these diseases are of familial or genetic origin.
