PRELIMINARY RESULTS OF SEQUENTIAL EXTRACTION .
This issue of Alaska Park Science covers a lot of ground: land status, mining history, natural and cultural resource protection, reclamation, and hazard abatement. Our articles are drawn from Alaska where mining and oil extraction are generally separate activities, and Canada where oil sand operations involve both.Negative Effects of Solar Energy . Furthermore, if the solar panels aren't disposed of properly, these toxic chemicals can be an environmental hazard. Solar panels create 300 times more toxic waste per unit of energy than do nuclear power plants. Often, panels end up in e-waste dumps in developing countries such as India, China and Ghana .