The Los Angeles Auto Show is often considered the "greenest" auto show in the U.S. But while some manufacturers are debuting environmentally-friendly cars onsite, others are offering nothing but promises of things to come. Living on Earth's West Coast Bureau Chief Ingrid Lobet stopped by the show and reports on just how green it is.

More carbon in the ocean means a lower pH, moving the oceans towards the acidic range of the pH scale. This causes some major problems for marine creatures and ecosystems. Host Steve Curwood talks with Dr. Ken Caldeira, an oceanographer of Carnegie Institution at Stanford University to find out what the impact of CO2 is underwater.

An audio postcard of an old Thanksgiving standby: the cranberry.

Genetically engineered trees could be used to absorb toxins in water. Alexandra Gutierrez reports.

Almost all of the turkeys eaten in the United States are the same species: the Broad-Breasted White. But as Living on Earth’s Bobby Bascomb reports, heritage breeds of turkeys, like the Bourbon Red and Blue Slate, are making a comeback.

The atmosphere absorbs about half of the CO2 emitted from fossil fuels; the oceans and the land absorb the rest. But those systems are under strain and more CO2 is staying in the atmosphere. Host Steve Curwood turns to Professor Inez Fung of the Berkeley Institute of the Environment to find out how CO2 affects land and sea.

The world's great animal migrations are in trouble. Whales, birds, and even insects are finding it harder to make routine journeys necessary to their survival, says ecologist David Wilcove. Host Steve Curwood talks to Wilcove about his book, "No Way Home," on the challenges migratory animals face and the challenges scientist face in tracking them.

Living on Earth pays homage to John Firor, planetary scientist and climate change expert, who recently passed away at 80 years of age.

A group of marine biologists are living and working deep beneath the surface of the sea in a research station off the coast of Florida. They're studying the health of nearby coral reefs and broadcasting their findings live to students all over the world. Dr. Mark Patterson is the chief scientist of the mission. He joins us from 20,000 millimeters under the sea.

Lawmakers are at work on a bill that could limit the main greenhouse gas linked to global warming. But some ask what about other air pollution – the kind that sickens and kills people by the thousands? As Living on Earth's Jeff Young reports, an effort to make the climate bill clean the air is running into opposition - from some environmental groups.