Las Vegas Solar Water Permit Best Alternate Energy?

Best alternate energy? - las vegas solar water permit

What is the next best thing to oil? Everything's warnings:
Wind energy requires high maintenance costs, are likely many windmills, and trees will be cut around the area for them to get all the winds.
Nuclear power, on foot in Chernobyl (sp?). It is a high target for terrorists, and requires constant monitoring. In addition, there are a lot of waste.
Hydroelectric power, easy to use, but destroy the other side of the dam, continuous monitoring, an easy target for terrorists, and many places can not be used (anywhere in Florida, Las Vegas, mountain, etc.)
Solar is not very difficult, and singing at night to work requires a lot of trees for more sun to break easily cut, and we need a panel size of Texas. Not to mention, very expensiveto remain active.
Sources of food crops and requires takes more water and space, and better uses, such as feeding more than half of the population, poor or hungry.