"The mission of DOE is to ensure America’s security and prosperity by addressing its energy, environmental and nuclear challenges through transformative science and technology solutions."
The ERS mission is to inform and enhance public and private decision making on economic and policy issues related to agriculture, food, the environment, and rural development.
"NASA tries to answer some basic questions: "What's out there in space? How do we get there? What will we find? What can we learn there, or learn just by trying to get there, that will make life better here on Earth?"
"USDA's chief scientific in-house research agency. Its job is finding solutions to agricultural problems that affect Americans every day, from field to table. Among other things you'll find links to soil surveys and agricultural periodicals."