For every 'hot spot' of change detected (flooding, local decrease or increase of vegetation cover), we have compiled information on the type of change, their cause (heavy rains, drought conditions, deforestation or fires) and their environmental 
(every 'hot spot' of change; detected; ) (we; have compiled; information on the type of change)
every 'hot spot' of change we
detected have compiled
information on the type of change