Browse Items (3 total)

The longest river on the planet, the Nile, flows through Africa into the Mediterranean. For thousands of years it has provided fresh water for agriculture and food for aquatic life. In 1970 the reconstruction of the Aswan High Dam was completed.…

Topic Overview The relationship between humankind and its environment is a story of hundreds of thousands of years of innovation in sources of energy for growing and developing their societies. In the modern period, the size of the world’s…

The lesson lets students work with multiple timelines about geological, demographic (migration), political, and technological events and processes, to make comparisons, and to determine the significance of different types of events and narratives…