Disclosed herein are methods of preventing and/or treating lung injury and/or lung inflammation in a subject comprising administering to the subject a therapeutically effective dose of a PERK pathway inhibitor. Pharmaceutical compositions for the prevention and/or treatment of lung injury and/or lung inflammation comprising PERK pathway inhibitors are also provided. Also disclosed are uses of a PERK inhibitor in the manufacture of a medicament for the prevention and/or treatment of a lung injury and/or inflammation.