Who said "The time to act was decades ago. But it's still not too late."?

This quote is attributed to Greta Thunberg.

The time to act was decades ago. But it's still not too late... - Greta Thunberg

"The time to act was decades ago. But it's still not too late."

Greta Thunberg Hope

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."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."