NASA Astronaut Ricky Arnold — Astronaut (STS-119, Expedition 55/56, NEEMO 13, #CAVES2016) & Educator. Currently onboard the @ISS for Expeditions 55 and 56. Posts are my own.
The scattered remnants of the Aral (Sea of Islands) Sea in #Kazakhstan and #Uzbekistan, which used to be the 4th largest lake in the world. Diversion for agriculture has reduced the lake to 10% of its original size, resulting in desertification, economic collapse & public health issues. #TheStoryofWater ...more
1 month ago