“The EPA code needs to set forth a clear, regular, and rational system of penalties for violations of its code, with the amount of the penalty set in proportion to the amount of pollutant released by a given defendant, and no penalties imposed in the absence of any pollutant released.”

American aerospace engineer and author

Robert Zubrin is an American aerospace engineer, author, and advocate for human exploration of Mars. He is known for arguing that space will shape future military and political power, and for making the case for a stronger American role in space. His writing often turns on Mars exploration and on the strategic importance of space. He has also argued that control of space will matter in future conflict, and that peace on Earth depends on preparing for war beyond it.