Thunbergian

adjective2

1. •
   Of or relating to Greta Thunberg (b. 2003), Swedish environmental activist who is known for challenging world leaders to take immediate action for climate change mitigation.

   • When asked if she’ll meet with President Donald Trump, she gave a predictably Thunbergian response: “Why should I waste time talking to him when he, of course, is not going to listen to me?” — 2019
2. •
   Of or relating to Carl Peter Thunberg (1743–1828), Swedish naturalist who collected and described many plants and animals new to European science.