By Denise Chow for NBC
Most climate scientists will be quick to say that 2019 was the year that Greta Thunberg truly became a force to be reckoned with.
The 16-year-old Swedish activist staged solo “Fridays for Future” school strikes that triggered a global phenomenon drawing millions of people into the streets to protest climate inaction. The teen has since become the face of that newly energized climate movement and was recently named Time magazine’s Person of the Year.
“She represents the best of humanity,” said Benjamin Houlton, a professor of global environmental studies at the University of California, Davis. “She frightens those in power right now because she has a very clear message and she’ll continue to be an important crusader.”