The document discusses various alternative energy sources including wind power, solar power, and electricity produced from garbage. It provides information on each source such as how it works, advantages, and potential or current scope in Pakistan. For wind power, it notes that Pakistan has potential to produce 150,000MW and discusses the Jhimpir Wind Power Plant. For solar power, it explains how solar panels convert sunlight into energy. It also discusses using garbage to produce energy through processes like incineration and notes Pakistan produces over 20 million tons of garbage annually.