James Richardson Logan – the man who coined the name ‘Indonesia’ and who is honoured at the Logan Memorial outside the Penang High Court and buried in the nearby Protestant Cemetery – expressed such concern in the mid-19th century in the Journal of the Indian Archipelago and Eastern Asia, which he edited. It is not necessary to cite Humboldt or Boussingalt to prove the great influence in tropical regions of forests, and especially of mountain forests, in attracting and condensing clouds, diminishing local temperature, and increasing humidity.