With less NO2 traces on the 24th of February
Santiago Gassó, a research associate at NASA, took to Twitter to report on the results of the satellite sensor. He also explained that while fluctuating NO2 emissions are completely normal considering that they differ under such factors as the day of the week, this observed change was definitely significant.
Rules for Radicals, Saul Alinsky - the dedicatee of Hillary Clinton's senior thesis.