Happy Birthday, Greta Thunberg!

Happy Birthday Greta Thunberg! Greta Tintin Eleonora Ernman Thunberg turns 21 years old today. Here are five facts about the young climate activist. 1. She staged the first-ever climate school strike in 2018. 2. Thunberg refuses to fly and sailed across the Atlantic. 3. Her speeches are fact-checked by scientists. 4. She is the youngest 'TIME' Person of the Year ever. 5. Thunberg has been nominated for a Nobel Peace Prize. Happy Birthday, Greta Thunberg!