Freshwater and Marine Systems Questions

handle this Environmental Science question and . hello in some questions about Freshwater and Marine Systems     1-Describe where the liquid freshwater is found on the planet?  If freshwater is a supposedly ?renewable resource? (thanks to the water cycle!), why are our supplies of freshwater slowly dwindling? 2-After reading ?The Last Drop, explain the social and political challenges that people in India and Pakistan face in filling basic water needs from an extremely limited supply. 3-According to Sylvia Earle in her TED Talk, what are the three greatest human-induced crises facing marine systems?  Explain each one briefly.