Mealey's (January 6, 2021, 1:36 PM EST) -- DENVER — An environmental group on Jan. 4 filed a brief in the 10th Circuit U.S. Court of Appeals contending that the U.S. Bureau of Land Management (BLM) violated federal law in multiple ways when it approved hydraulic fracturing leases in New Mexico without taking a “hard look” at pollution to the ozone and contamination of aquifers....