Health Impact Assessment of Coal and Clean Energy Options in Kentucky
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Health Impact Assessment of Coal and Clean Energy Options in Kentucky A Report from Kentucky Environmental Foundation By Elizabeth Walker, PhD Deborah Payne, MPH Acknowledgements The authors thankfully acknowledge the following experts for reviews and comments on drafts of this report: Carla Baumann, MSN, RN Philip Curd, M.D., MSPH Richard Futrell, PhD Michael Hendryx, PhD David Mannino, MD John Patterson, MD, MSPH Monica Unseld, PhD Any remaining errors are entirely our own. The authors also thank contributions of interviews carried out by students of Berea College’s Health in Appalachia course (HEA/APS 210), Fall 2010 and 2011. About Kentucky Environmental Foundation: The Kentucky Environmental Foundation (KEF) is a non-pro!t organization dedicated to securing solutions to environmental problems in a manner, which safeguards human health, promotes environmental justice, preserves ecological systems and encourages sustainability. Design and layout: Rob Gorstein Graphic Design, Inc. i Health Impact Assessment of Coal and Clean Energy Options in Kentucky Table of Contents Introduction .......................................................................................................................1 Executive Summary ............................................................................................................3 Health Impacts of Coal Mining ............................................................................................5 1. Surface mining ...........................................................................................................6 a. Heavy metals and acid mine drainage: water contamination .......................................7 b. Dust .......................................................................................................................9 c. Flooding and accidents ............................................................................................9 d. Psychological effects of mountaintop mining ...........................................................10 2. Deep coal mining ......................................................................................................12 a. Slurry and slurry pond "ooding ...............................................................................15 Health Impacts of Coal Processing and Transportation .......................................................16 Health Impacts of Power Plant Emissions ..........................................................................18 1. Particulates ..............................................................................................................18 2. Mercury emissions ....................................................................................................20 3. Greenhouse gas emissions ........................................................................................22 Health Impacts of Coal Waste ...........................................................................................23 Health Impacts of Energy Efficiency And Renewable Energies ............................................25 Recommendations ............................................................................................................32 References .......................................................................................................................33 A Report from Kentucky Environmental Foundation ii Executive Summary Introduction lungs, and nervous system, as well as damage prenatal development. Coal-!red power plants also emit If we Kentuckians value our health, and if Kentucky mercury, a toxicant that can have signi!cant negative legislators are concerned with improving public health, it e$ects on the nervous system, especially in fetuses, is imperative that community and state leaders examine infants, and children. Individuals can experience loss the role of energy policy in determining health outcomes. of intelligence that can last a lifetime, in addition to Governments and institutions are increasingly using other nervous system disabilities. Health Impact Assessments (HIA) as tools to help make policy decisions in the best interest of public health. t Coal extraction and burning processes release Using both quantitative and qualitative data, an HIA can greenhouse gases like carbon dioxide and methane, arrive at policy recommendations or propose a speci!c which are linked to climate change. Climate change course of action to create the best health outcome possible. impacts public health through heat strokes, %ooding, Energy policy in Kentucky has typically been loss of crops, and increased spread of diseases. designed to maintain the use of coal, a resource that t Remaining coal ash contains toxic metals such as currently provides roughly 93-94% of Kentucky’s arsenic and cadmium. "is is stored in impoundment electricity. Kentucky legislators have given less attention ponds and land!lls across Kentucky. "ese toxic to the speci!c health bene!ts and consequences of metals can leak into water supplies or blow into the our energy options. "is HIA provides a health-based air, causing cancer and other health problems. screening of coal, and of the energy e#ciency and Electricity can also be generated from renewable renewable energy options proposed in the Clean Energy sources such as solar, wind, hydro and biomass, and Opportunity Act as introduced in the 2011 and 2012 these sources may also have some health impacts. For Kentucky legislative sessions. example, solar panel manufacturing involves use of Findings. Coal has provided reliable electricity many heavy metals and chemicals (as in other electronics to Kentuckians for decades and has provided many manufacturing) and as such poses occupational exposure Kentuckians with the bene!ts of employment, but risks. Low-frequency noise and vibrations from wind at a substantial cost to the health of people in the turbines have been reported to cause disturbances Commonwealth. Public health is a$ected throughout the to some people living close by. Biomass can involve coal cycle from mining to waste disposal: combustion of fuel sources like wood and switchgrass or t Mountaintop mining exposes people to air pollution, other materials, which result in air emissions that may be contamination of groundwater and drinking water, harmful depending on the fuel used. %ooding, structural damage to homes, and accidents. Energy e#ciency is not an electricity source, rather t Miners working in deep coal mines are exposed to refers to methods of using electricity from any source high levels of dust, noise, and toxic gasses, leading to more e#ciently. Home weatherization, energy e#cient respiratory damage and hearing damage. appliances and lighting are common examples of energy t After coal is extracted, it is cleaned with a chemical e#ciency. Health impacts from energy e#ciency wash. Any hazardous chemicals remaining from the activities may come from exposure to chemicals in wash are stored in ponds or injected into abandoned construction or building materials, as would be the case mines, both of which may leak into streams, rivers, generally with any new building construction or retro!t. and groundwater. Spills may involve millions of Scienti!c and health research clearly show that gallons, leading to %ooding of toxic chemicals. the bene!cial impacts of energy e#ciency and renewable energy are often realized in the avoidance t Coal is transported by rail or trucks, which has led to of additional pollution from coal. Displacement of accidents and respiratory disease from coal dust and pollution at each step in the coal cycle means lower diesel combustion. rates of worker illness or injury. Lower levels of soot, t Impacts from coal power plants can be measured heavy metals, greenhouse gases and other harmful up to hundreds of miles from the source. Gaseous emissions can directly reduce the number of heart emissions and particulate matter can a$ect the heart, attacks and asthma attacks. In addition to the health 1 Health Impact Assessment of Coal and Clean Energy Options in Kentucky bene!ts of pollution prevention, tangible bene!ts from Recommendations energy e#ciency can be observed. Bene!ts include Based on these !ndings, we recommend: those from home weatherization, which results in 1. Kentucky legislators should support diversi!cation fewer incidences of general illnesses, and reduction in of Kentucky’s energy portfolio to include renewable eye-strain and headaches when energy e#cient lighting energy from sources such as solar, wind or hydro, and is used. provide incentives for Kentuckians to use energy more Research also shows that avoiding the use of less- e#ciently. "ese portfolio standards would displace or non-toxic chemicals and materials can mitigate pollution from coal and provide additional direct health some of the potential health impacts associated with bene!ts to Kentucky residents. Policy proposals like energy e#ciency. Renewable energy health impacts the Clean Energy Opportunity Act (HB 167) of 2012 can be addressed at the manufacturing or installation could help shift toward a healthier energy portfolio. phase or in the case of biomass, by choosing non-toxic 2. renewable fuels. Kentucky legislators and environmental regulatory "e HIA authors and reviewers intend for this agencies should consider the health impacts of our document to serve as a tool primarily for Kentucky state’s current and future energy policy and consider legislators to consider health outcomes of energy policy requiring that HIAs