In the new economy created by global warming, forests are turning into a valuable commodity. Promising not to cut them down is one of the most popular ways companies would like to offset their emissions. Correspondent Mark Schapiro follows the trail of one of those offset projects deep into Brazil’s Atlantic Forest.

Is Big Biotech waging an international campaign to discredit researchers who study the dangers of genetically modified organisms?

The sinking of the oil tanker Prestige off the Spanish coast last year caused one of Europe's worst ecological disasters. "The Lawless Sea,” a result of a year-long investigation conducted by reporter Mark Schapiro, provides a rare glimpse behind the scenes of the maritime industry, long shrouded in secrecy and protected from accountability by complex corporate structures and foreign flags.