pollution

Environment

The $50 billion plan to save Louisiana's wetlands

The state of Louisiana is disappearing at an incredible rate, and its sinking deltas threaten some of the nation's crucial oil, gas and fisheries industries. But Louisiana has a “Hail Mary” plan to save it. Industry and government have created an unprecedented plan to save and rebuild these wetlands over the next 50 years — and say failure is not an option.

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Environment

Geo Quiz and answer

For our Geo Quiz, quiz, we're looking for a rocky archipelago off Norway's northwest coast. The answer is Lofoten, where marine biologist Hieke Vester studies and records communication among marine mammals. The World's David Leveille has the story.

Conflict & Justice

Rethinking biofuels in Europe

Biofuels have been touted as the best hope for reducing reliance on fossil fuels and limiting greenhouse gases. Now many scientists are raising doubts about that. Reporter Kathleen Schalch examines the debate over the costs and benefits of biofuels.

Environment

G8 on greenhouse gases

Leaders at the G8 summit in L'Aquila, Italy have issued a joint statement on reducing greenhouse gas emissions. Anchor Lisa Mullins gets details from Alden Meyer of the Union of Concerned Scientists, who's been following the talks.

Arts, Culture & Media

Geo answer

The Australian town of Bundanoon is the answer to today's Geo Quiz. This picturesque town in the mountains west of Sydney voted today to ban the sale of water in plastic bottles. Lisa Mullins speaks with environmental campaigner, Jon Dee, in Bundanoon.

Lifestyle & Belief

Cambodia's big lake threatened

The World's Mary Kay Magistad reports on Southeast Asia's largest lake ? Cambodia's Tonle Sap ? and why environmentalists are worried about its future. Dams, logging and overfishing are some of the factors threatening the lake's ecosystem.