Who said "My voice may be young, but the science is not."?

This quote is attributed to Greta Thunberg.

My voice may be young, but the science is not. - Greta Thunberg

"My voice may be young, but the science is not."

Greta Thunberg Knowledge

Climate Activist, Student Swedish Born 2003 (age 23)

"Our house is on fire. I want you to panic."

"You are not mature enough to tell it like it is. Even that burden you leave to us children."

"No one is too small to make a difference."

"A lot of people want to just continue not doing anything."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."