Glaciers in Chile.

Glaciers in Chile. CREDIT: Curt Carnemark/World Bank (CC)

Resource
  • Social Studies
  • High School
The United States is one of the largest emitters of greenhouse gas in the world, yet the federal government was unwilling to commit to the non-...
The Brazos Wind Farm near Fluvanna, Texas.

The Brazos Wind Farm near Fluvanna, Texas. CREDIT: Leaflet (CC)

Resource
  • Social Studies
  • High School
The United States has a federal system of government in which different policies can be made on national, state, and local levels as long as they are...
Solar array at Nellis Air Force Base, Nevada.

Solar array at Nellis Air Force Base, Nevada. CREDIT: Larry E. Reid Jr., U.S. Air Force (CC)

Resource
  • Social Studies
  • High School
The controversial 2010 court case Citizens United v. FEC opened space for the creation of Super PACs, which are outside, disclosed groups that can...