Hard Numbers: Muddy festival, climate credits, Ukrainian amputees, astronauts return, "Barbie" tops charts

70,000: An unexpected storm this weekend trapped 70,000 attendees of the annual counter-culture Burning Man festival in the Black Rock Desert of northern Nevada, as floods turned the sand to mud. One person reportedly died, but officials said the incident was “unrelated to the weather.” Many have now begun their trips home.

450,000,000: At the first-ever African Climate Summit in Kenya, the United Arab Emirates committed to buying 450,000,000 of carbon credits from the Africa Carbon Markets Initiative. The initiative seeks to boost Africa's carbon credit production 19-fold by 2030.

20,000: According to the Superhumans Center for rehabilitation in Ukraine, 20,000 Ukrainians have become amputees since the start of the war with Russia. These include soldiers and civilians, with most injuries being blast-related.

4:Four astronauts returned to Earth in a SpaceX capsule after spending six months in the International Space Station. The crew included two NASA and one Russian astronaut, as well as the first astronaut from the United Arab Emirates to spend an extended time in space.

1: This week, "Barbie" beat the "Super Mario Bros. Movie" for the title of number one film of the year. The dynamic doll pulled in $1.38 billion globally, overtaking the cartoon character’s $1.36 billion. Sparkle!