According to the U.S. Climate Change Science Program, the United States âhas made the worldâs largest scientific investment in the areas of climate change and global change researchâ with a total of nearly $20 billion over the past 13 years.
How Much Water Should I Drink? According to Authority Nutrition, humans should consume approximately 2 liters daily. A 10-mile day hike is a different story though. Variables like terrain, weather, and pace will dictate how much YOU need to drink... potentially much much more than 2 liters.
How much water does one person need to drink per day? you should drink at least 7 to 10 average sized glasses of water each day.   One average sized glass is about eight ounces. There are 16 ounces in a pint, 2 pints in a quarâ¦t, and 4 quarts in a gallon, so, mathematically, there are about 128 ounces in a gallon.