"60 Minutes'" Scott Pelley went on another environmental adventure this week, this time to South America.
Texaco -- now owned by Chevron -- made trouble in Ecuador for oil drilling practices that have endangered the homes and water supply of people living there:
Generally two or three pits were carved out near the well site. Trouble is, when Texaco finished its drilling, the waste pits were abandoned by the hundreds and for decades.
Now, the Ecuadorian people and Chevron are in a heated legal battle over $27 billion.
Watch the full "60 Minutes" segment: