Mark Hertsgaard

Greenpeace message next to Peru's Nazca Lines.

Greenpeace names activists behind a failed stunt at Peru climate talks

Not all publicity is good publicity. Greenpeace learned that last month when activists placed yellow letters next to Peru's Nazca Lines. The stunt outraged Peruvians. Now Greenpeace has named the members behind the stunt.

Greenpeace names activists behind a failed stunt at Peru climate talks
President Obama speaks about climate science with New York Times columnist Thomas Friedman on the Showtime documentary series "Years of Living Dangerously." The president's comments to Friedman that "we're not going to be able to burn" all the world's fos

Why President Obama's strong words on climate change matter, despite his weak record

Why President Obama's strong words on climate change matter, despite his weak record

Report Alleges BP Hid Health Impact of Gulf Oil Dispersant

Report Alleges BP Hid Health Impact of Gulf Oil Dispersant

Off the Debate Agenda: The Unmentionable Threat of Global Warming

Off the Debate Agenda: The Unmentionable Threat of Global Warming

Generation Hot: Impact of climate change on children

Generation Hot: Impact of climate change on children
The World

Mark Hertsgaard: Fatherhood and climate change

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."

Mark Hertsgaard: Fatherhood and climate change
The World

REDD Corruption

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.

REDD Corruption
The World

Harnessing the Power of Soccer

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.

Harnessing the Power of Soccer
The World

Carrotmobs inspire buying for the environment

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

Carrotmobs inspire buying for the environment
The World

The High Price for Free Wind Power

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

The High Price for Free Wind Power
The World

Coming Clean About Household Cleaners

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

Coming Clean About Household Cleaners
The World

MacArthur Bee Genius

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.'

MacArthur Bee Genius
The World

Fishy Situation

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

Fishy Situation
The World

Three Men and a Bike

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

Three Men and a Bike
The World

Beetle Ranching

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

Beetle Ranching