Mark Hertsgaard

Host Marco Werman speaks with journalist Mark Hertsgaard about his new found sense of urgency in reporting on climate change since becoming a father. Hertsgaard is the author of the new book "Hot: Living Through the Next Fifty Years on Earth."

The plan to pay developing nations to save their forests and the carbon in them is potentially worth billions of dollars under the UN scheme called REDD, Reducing Emissions from Deforestation and Degradation. Nearly $4 billion dollars is already on the table, and this cash has attracted both conservationists and criminals.

Four Harvard students invented a soccer ball that charges with every kick. The young inventors hope to harness the power of soccer fanaticism and turn it into clean energy. Living on Earth and Planet Harmony's Ike Sriskandarajah reports.

Instead of boycotting irresponsible companies, Carrotmobs inspire masses of people to patronize responsible companies.

Entrepreneurs who want bring offshore wind farms to the United States are facing staunch opposition and difficult economic calculations.

Companies that make cleaning products are legally required to disclose their ingredients, but few do.

University of Minnesota scientist Marla Spivak has received a Macarthur genius grant for her work studying bees and trying to save them from 'colony collapse disorder.'

Experts are questioning whether the seafood with the "sustainable" labels from the Marine Stewardship Council is really environmentally responsible.

A bike shop in Brooklyn is pioneering ways to create bikes from bamboo in ways that benefit both Ghana and the environment.

Volunteers are raising, nurturing and releasing beetles in an effort to fight an invasive plant.