Nowadays when the nature resource is limited, here in USA still have a big number of gas and nature oil restore. Although, it's not open for development, many scientist are trying to find ways to dig them out. Nature resources have been needed in every place in this world, so we need to promote more than we thought, this means, here in USA we need to provide more jobs and stronger educationgs to enrich out economy. This isn't only the government's problem, but also ours, so let's work together to reach out goals.