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This Week: Global Warming
This Week
April 22, 2005

This week on NOW:

Scientists say that over the last century, almost every glacier on earth has gotten smaller and that the Arctic, which serves as the "air conditioner" for the world, is warming twice as fast as anywhere else. It's part of the body of evidence, they say, that proves humans are changing the atmosphere and causing global climate change, which has enormous implications for the health of the planet and its inhabitants. So why are some in government still claiming that global warming is a hoax? On Earth Day, NOW analyzes the latest from the scientific and political fronts on climate change. The report looks at recent scientific evidence that has set off alarms about the implications of melting glaciers for rising ocean levels and talks to one coal-burning energy company that has voluntarily pledged to stabilize its greenhouse gas emissions.

In Depth

Climate map

Climate Change International Perspectives

The Climate Change Debate

History of Global Warming

Earth and Sun
The Clear Skies Initiative

Environmental Resource Map

Climate Change FAQs and Resources


Environment and Community

California's Emissions Law

Auto Emissions and the Environment


Talk back on the message boards.


Learn more about the issues discussed on NOW.

Read the complete transcript.

Streaming Video

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Hot World, Cold Comfort (22:26)


Hot World, Cold Comfort
Producers: Brenda Breslaur and Kathleen Hughes
Editor: Kathi Black

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