Monsoon Map (IMAGE) Columbia Climate School Caption Monsoon rains touch a huge part of the world. Scientists crossed most of Asia to sample sites (green dots) to reconstruct past droughts. Credit Tree Ring Lab, Lamont-Doherty Earth Observatory Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.