Robert K. Dixon of The World Bank Group, Dixon was Team Leader for Climate Change and Chemicals (2008 to 2015), overseeing a multibillion-dollar portfolio of energy, environment, public health, infrastructure, and transportation projects in developing and transition countries. Dixon has been a delegate to intergovernmental negotiating committees and subsidiary bodies of the United Nations Framework Convention on Climate Change (1992 to present), Montreal Protocol on Substances that Deplete the Ozone Layer (1989 to present), Minamata Convention on Mercury (2009 to 2015), the Asia-Pacific Partnership on Clean Development and Climate (2006 to 2011), the Stockholm Convention on Persistent Organic Pollutants (2004 to 2015), and
Wireless Application Protocol protocol design was appropriate. Some have suggested that the bandwidth-sparing simple interface of Gopher would be a better match for mobile phones and Personal digital assistants (PDAs). The initial design of WAP specifically aimed at protocol independence across a range of different protocols (SMS, IP over PPP over a circuit switched bearer, IP over GPRS, etc.). This has led to a protocol considerably more complex than an approach directly over IP might have caused. Most controversial, especially for many from the IP side, was the design of WAP over IP. WAP's transmission layer protocol, WTP, uses its own retransmission mechanisms