Neil deGrasse Tyson takes a close look at what life on Earth could look like in another 500 years. Spoiler Alert: It's going to get crowded. But he's got some solutions if we take action today.

This is what scientists predict could happen to the Earth over the next 500 years. Produced by Kevin Reilly, Rebecca Harrington, and Sarah Kramer. Video courtesy of NOAA,NASA, and Alex Kuzoian.