CAN THE WORLD SURVIVE WITHOUT FOSSIL FUELS? WHAT ARE THE ALTERNATIVES?
It is becoming apparent that the world may not be able to survive with fossil fuels. This means that we must develop renewable sources of energy which are environmentally sustainable. Fortunately, we already posses the technology at hand to provide clean and reliable sources of energy for meeting human needs. Renewable systems include solar photo voltaic power systems, solar hot water systems, wind turbines, bio-fuel plantations, hydroelectric systems and so on. These energy sources are sustainable because they never ‘run out’. Most importantly, many renewable energy sources, such as wind power and solar thermal, are already cheaper than conventional fuels– even though the price of fossil fuels and nuclear power does not reflect their full environmental and economic costs. Many of these renewable energy options can be designed, built, and exploited locally and at less costs than conventional systems. They contribute significantly to national economies because they exploit indigenous l