Every decision land managers make can potentially affect their watershed — their community’s streams, rivers and lakes — and even the aquifers deep underground. Just 9.5 percent of Louisiana is freshwater usable for aquaculture and fisheries, wildlife and recreation and agricultural production, making...
Venice grew out of small islands in saltwater lakes 21 some Italians escaped (逃离)from a war more than 1500 years ago, and 22 ( build) homes there. Water makes the city 23 ( usual) , but it is also a big problem. Once, people used too much underground water, which made the city...