[Comment] Addressing oncology’s contribution to climate change

The health effects of climate change are mounting. Air pollution increases the risk of lung cancer in people who have never smoked.1 Wildfire smoke is also linked with increased cancer risk,2 and its intensity, frequency, and global reach are worsening. Disruptions to radiotherapy care in Houston (TX, USA) caused by Hurricane Katrina affected survival in patients with lung cancer.3 A forceful commentary published in around 210 major medical journals in 2021, including The Lancet, laid out the stakes, calling the rise in global temperatures the “greatest threat to global public health”.