Subcommittee on Energy and Environment Hearing - How Do We Know What We Are Emitting? Monitoring, Reporting and Verifying Greenhouse Gas Emissions
Mr. John Stephenson
Director, Natural Resources and Environment, Government Accountability Office
Ms. Jill Gravender
Vice President for Policy, The Climate Registry
Ms. Leslie Wong
Director of Greenhouse Gas Programs, Waste Management, Inc.
Mr. Rob Ellis
Greenhouse Gas Program Manager, Advanced Waste Management Systems, Inc.