Space is getting crowded. The biggest challenge is space junk—the debris that results when satellites break up or get shot down. If we aren’t careful, space junk, and space conflict, could cause a lot of problems down here on Earth.
Women and girls are excluded from career paths in science, technology, engineering, and mathematics (STEM). This gender gap is causing the world to lose out on “the genius of half the population,” according to former U.S. Chief Technology Officer Megan Smith.
For years, China processed more than half of the world’s recycling. Then, in 2018, it stopped. Things have gotten messy since then.