A nice example how some clever engineering which doesn't require many resources can improve the living conditions a lot. After all, human civilization really to

A nice example how some clever engineering which doesn't require many resources can improve the living conditions a lot. After all, human civilization really took off with early irrigation technologies. Climate change already today means, that the living conditions all through the world are changing. While fighting climate change itself should be the global top priority, projects like this are so important to deal with the already existing consequences - and give hope that with more work like this we can at least compensate for some of the changes.