The southwest coastal region of Bangladesh is particularly climate vulnerable; impacted both by immediate climate events and by longer term climate change. As a result, local farmers are demanding information about pest control, new saline tolerant varieties, improved agricultural management practices, and early warning of weather events, amongst others. This document looks at the ways in which mobile technology could contribute towards the resilience to climate change impacts, and features a case study from Bangladesh to assess cost and benefits, successes and failures.