Health care's response to climate change: a carbon footprint assessment of the NHS in England oleh Imogen Tennison, MEng, Sonia Roschnik, MSc, Ben Ashby, MEng, Richard Boyd, MEng, Ian Hamilton, PhD, Tadj Oreszczyn, ProfPhD, Anne Owen, PhD, Marina Romanello, PhD, Paul Ruyssevelt, ProfPhD, Jodi D Sherman, MD, Andrew Z P Smith, MSc, Kristian Steele, EngD, Nicholas Watts, MBBS, Matthew J Eckelman, PhD