PBS
Pbs Learning Media: Global Weather Machine
In this illustrated essay from NOVA Online, explore the cyclical process of weather creation and the effects of El Nino on the global weather system.
Federal Reserve Bank
Federal Reserve Bank of Minneapolis: Calming the Panics of the Great Depression
Read this winning essay on the actions of the Federal Reserve in the 1920s that contributed to the crash of the stock market in 1929, ushering the Great Depression.