Delta Air Lines’ business has rebounded from its pandemic low, with demand for both business and leisure travel now within spitting distance of pre-pandemic levels. As the airline, the largest in the U.S. by revenue, regains altitude, it’s also ramped up its environmental focus, both for the cost efficiencies those efforts can provide and because of the heightened scrutiny around airline sustainability.
Last autumn, Delta named Pam Fletcher, an engineer by training and a General…