While such projects brought some benefits, ecologists point to the damage done to the environment, not to mention the effect on the millions of people who lost their homes.
Meskipun proyek - proyek demikian mendatangkan sejumlah manfaat, para ekolog menunjukkan adanya kerusakan terhadap lingkungan, belum lagi dampak terhadap jutaan orang yang kehilangan tempat tinggal.