score = (x) -> 
  if x == "Yes"
    10
  else
    0

weights = [0.25, 0.25, 0.25, 0.25]
ecosystem_restoration = [commitment, project_outcomes, time_bound_targets, project_outcomes_on_areas_beyond_own_operations]

weights.reduce((weighted_sum, weight, index) -> 
              weighted_sum + weight*score(ecosystem_restoration[index])
             , 0)