W3C launched today a Web and Mobile Interest Group that is chartered to accelerate the development of Web technology so that it becomes a compelling platform for mobile applications and the obvious choice for cross platform development.
Core Mobile Web Platform 2012 Deployment Status
Standards for Web Applications on Mobile: current state and roadmap
New versions of Core Mobile Web Platform report
Use cases and scenarios for context-relevant user experiences
Multi-device and cross-device user experiences on the Web
Usability and Efficiency Considerations for the Web on Mobile
Obviously still in its infancy, but interesting nonetheless!