Roger Kasperson – författare

Time is both the ally of high-level nuclear waste (HLNW) managers and the enemy. It is the ally because the radioactivity in elements and isotopes decreases with age, making the waste progressively less dangerous to human health and safety and the environment. This rate of radioactive decline varies, in some cases diminishing by half (the half life) in seconds, minutes, hours, days, weeks, months, or years. In other cases the decay process takes centuries or hundreds of thousands of years before the wastes are safe for human contact. The problem as now conceptualized for HLNW managers is simple to state if not easy to achieve. The HLNW needs to be secured in some fashion until it decays, by virtue of its physical nature, to safe levels. Another possible future solution, not currently available, might be to change the ~~ructure of HLNW through high-technology processing and thus decompose the waste into units with different and less lengthy radioactivity. Learning whether this processing is a future option will require patience and generous amounts of time for research.

When Congress passed the Nuclear Waste Policy Act of 1982, it directed the Department of Energy to locate, study, license, and develop a deep underground repository for high-level nuclear wastes. As the authors of this study show, by 1987 the program was in shambles, beset by opposition from every state that had a potential storage site. Congress p

This is the first English-language atlas to systematically introduce the environment, hazard, vulnerability and risk mapping for 11 natural disasters, i.e. earthquake, volcano, landslide, flood, storm surge, sand-dust storm, tropical cyclone, heat wave, cold wave, drought and wildfire, and risk mapping for multi-hazard disaster in the world. The above 11 hazards are assessed and mapped at grid unit, comparable-geographic unit and national unit, and the multi-hazard is assessed and mapped at grid unit and national unit. The expected annual mortality and/or affected population risks and expected annual economic loss and/or affected property risk of 11 hazards and multi-hazard of the world at national level are unprecedentedly derived and ranked. The atlas can be a good reference for researchers and students in the field of natural disaster risk management and risk governance, and enterpriser and risk manager as well to understand the global natural disaster risk. Prof. Peijun Shi works at Beijing Normal University, China; Prof. Roger Kasperson works at Clark University, USA.