From the trade of the colonial era to the Clean Water Act, water has shaped American history. Class members unpack how water affected the American story using primary sources that span events including the Lewis and Clark expedition to...

Less than eight percent of AP Environmental Science test takers earn the highest score possible. Help scholars improve their scores by using actual test questions on water quality and urban planning before reading sample responses that...

Should bottled water be sold in schools, or should they only provide tap water? The summative unit in the six-part series encourages scholars debating this topic. The lessons teach how to build an argument, how to gain background...