The Rio dilemma: how to generate green energy, and share it fairly Lenore Taylor's recent articles raise one of the two critical decisions confronting humanity about the energy-climate change dilemma. Energy is the major contributor to greenhouse gases at about 70 per cent. Any solution to global warming and climate change must address the energy ''elephant'' in our home, the Earth, on which all of our modern, technological, mobile, convenient and ... [News Source]