WASHINGTON, July 19 (TNSres) -- The Carnegie Institution for Science issued the following news: * * * The impact of the Russian invasion on Ukrainian agriculture compounds the effects of climate change. A new study quantifies these impacts and points to potential solutions to address these challenges. * * * Pasadena, CA-- By the middle of the century, three-quarters of Ukrainian croplands--a critical source of the world's grain and oilseeds--will experience water shortages due to the combina  more