The document discusses new frontiers in energy resources that could help address issues with declining oil reserves. It describes gas hydrates, which contain methane trapped in ice under high pressure underwater and represent a potentially huge untapped energy source. Virtual water trade is discussed as the concept of the hidden water used in food and goods production and transportation. Wave energy from ocean waves is another renewable resource that could be harnessed using various technologies. The document also outlines energy that can be generated from algae and pollution through microbial fuel cells, as well as advances that have allowed greater utilization of solar energy.