Â鶹Éç

The Â鶹Éç's UN correspondent Laura Trevelyan explores how the US could retreat from its role as the planet's biggest polluter. In this episode: Laura reports on General Electric. Once pilloried as a polluter (and taken to court for dumping waste in the Hudson River), the industry giant, under the leadership of Jeffrey Immelt, has gone green and sees its future prosperity tied to developing green technologies.