You can attend the North Walsham Community Centre (on New Road, next to the library) on Tuesday April 3, from 18:30 to 21:30. There will be experts covering a wide range of topics including wind turbines, solar heating, photovoltaics, ground source heat pumps and biomass.
Broadland District Council has a DIY scheme for solar powered hot water, and they will be on hand with a demonstration. Planning requirements shall be explained by a member of the NNDC planning team.
The North Norfolk Environment Forum is also holding a couple of meetings: