A few miles from my childhood home stands a landmark that transformed the world as we know it today. More than a century and a half ago, an industry that employees millions of Americans, generates billions in federal revenues and allows us to maintain a standard of living that’s the envy of the world was hatched in northwestern Pennsylvania. America’s oil and natural gas industry is woven deep into our nation’s fabric. And today, as the responsible development of the natural gas-rich Marcellus Formation expands, Pennsylvania is once again emerging as a leader in providing the country with affordable and reliable homegrown energy resources.