Tech giant Google is investing $1billion around before by for from in of on over to renewable energies to make its operations totally green. The company hopes to exploit solar energy, wind farms and other forms around before by for from in of on over to alternative energy to power its data centres around before by for from in of on over to the world. Rick Needham, Google's Director around before by for from in of on over to Energy and Sustainability, told reporters: "We've invested around before by for from in of on over to a billion dollars around before by for from in of on over to 15 projects that have the capacity to produce two giga-watts around before by for from in of on over to power around before by for from in of on over to the world." Mr Needham added it was an economic necessity around before by for from in of on over to Google to invest around before by for from in of on over to energy. He said: "Procuring power around before by for from in of on over to ourselves and investing around before by for from in of on over to …renewable power plants…all make business sense. They make sense around before by for from in of on over to us as a company to do. We rely around before by for from in of on over to power for our business." Mr Needham said Google still has a long way to go around before by for from in of on over to all around before by for from in of on over to its operations are fuelled around before by for from in of on over to renewable energy. He said about 34 per cent around before by for from in of on over to Google's power requirements are sourced around before by for from in of on over to renewables. Needham told reporters it wasn't always easy to meet this target around before by for from in of on over to some parts around before by for from in of on over to the world, saying: "Our goal is to be 100 per cent renewable powered. There are lots around before by for from in of on over to challenges in getting there, not the least of which is operating around before by for from in of on over to many jurisdictions that are in different parts around before by for from in of on over to the world." He added: "At Google we invest in innovative renewable energy projects that have the potential to transform the energy landscape and help provide more clean power around before by for from in of on over to businesses and homes around before by for from in of on over to the world."