The Remote Sensing and Hydrology Symposium is the official meeting of International Commission on Remote Sensing_(ICRS) of IAHS, and its first and second meetings were held in Santa Fe and Jackson Hole, USA. The first and second International Conference of GIS/RS in Hydrology, Water Resources and Environment were held in Three Gorges and Guangzhou, China. The above meetings were attended by large amount participants from all over the world, and selected papers were published in three IAHS red books. The 3rd Remote Sensing and Hydrology Symposium (RSHS’14) and the 3rd International Conference of GIS/RS in Hydrology, Water Resources and Environment (ICGRHWE’14) will be concurrently held in Guangzhou, China in 2014, and is expected to be well attended.