Gerd-Rainer Weber from Essen (Germany) was one of the speakers at the conference in Leipzig in 1995 organized by the European Academy for Environmental Affairs and the Science and Environmental Policy Project (SEPP) which resulted in the Leipzig Declaration on Global Climate Change. 
He is also a member of the Advisory Board of the Committee For A Constructive Tomorrow (CFACT). On the CFACT site he is described as:
- "Gerd-Rainer Weber, Ph.D., Consulting Meteorologist, Essen, Germany"
- Gerd R. Weber, "Treibhauseffekt: Klimakatastrophe oder Medienpsychose?," Böttiger, 1991, ISBN 3925725164
- Gerd R. Weber, "Global Warming: The Rest of the Story," Böttiger, 1992, ISBN 3925725180