Research Features

The Forcing Agents Underlying Climate Change

This series of webpages is a copy of a presentation made by Dr. James E. Hansen, Director of the NASA Goddard Institute for Space Studies, to the United States Senate Committee on Commerce, Science and Transportation during hearings on Climate Change on May 1, 2001.

The complete oral and submitted testimony, including figures and answers to the committee's questions, may be downloaded as a single 2.2MB PDF document.

Statement of Dr. James E. Hansen
Head, NASA Goddard Institute for Space Studies

before the

Committee on Commerce, Science and Transportation
United States Senate, May 1, 2001

Oral Testimony

Questions and Answers:
Oral Response to Senators' Questions
Submitted Response to Post-Hearing Questions

Submitted Testimony:
1. Preface
2. Introduction: Basic Concepts
3. Past Climate Forcings and Climate Change
4. Scenarios for 2000-2050
5. Alternative Scenario: Air Pollution
6. Alternative Scenario: Carbon Dioxide
7. Benchmarks
8. Communication
9. Summary: A Brighter Future

References