Satellite and Surface Observations Confirm Steady Decline in US NOx Emissions over the 2004-2017 Period
Rachel Faye Silvern1, Daniel J. Jacob2, Melissa Payer Sulprizio2, Katherine Travis3, Eloise Ann Marais4, Loretta J Mickley5, Ronald C Cohen6, Joshua Laughner7, Sungyeon Choi8 and Joanna Joiner9, (1)Harvard University, Cambridge, MA, United States, (2)Harvard University, School of Engineering and Applied Sciences, Cambridge, United States, (3)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (4)University of Leicester, Department of Physics and Astronomy, Leicester, United Kingdom, (5)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (6)White House Office of Science and Technology Policy, Washington, DC, United States, (7)University of California Berkeley, Berkeley, United States, (8)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (9)NASA GSFC, Greenbelt, United States
