Videos

Witnesses testified on the effect of greenhouse gases on the environment.

Two panels of experts gave testimony on the current status of the earth’s ozone layer. Findings by NASA about the accelerated rate of depletion of the upper atmospheric ozone layer were anal…

The Senate Environment and Public Works subcommittee on Hazardous Wastes and Toxic Substances held a hearing on S.1792 which was a bill to authorize appropriations for the Office of Environm…

Witnesses testified on safety and oversight of genetically engineered plants and insects.

Witnesses testified on how the greenhouse effect will change the global climate system and possible solutions.