Such actions do not have to invest plenty of water saving, energy saving, suppose not to throw garbage down the river just a little action now, it can be natural to us that thachuai possible.
Such actions are not many such efforts to save water, save energy, do not throw garbage into the river just a small act, just as it can help if Maa nature to remain with us for a long time.
Such deeds, not to put lots of such water saving energy-saving waste into the river not only action that can help small car nature remains with us for a long time.