By THE PULSE NEWS MEXICO STAFF During the first quarter of 2021, Mexico’s state-owned oil company Petróleos Mexicanos (Pemex) released 50.8 more waste gas into the environment compared to the same period in 2020, reaching the highest average in 12 years, according to the government’s own sources. On average, in the January-to-March 2021 period, 712 million cubic feet of natural