Summary This video shows a different side of dams, what many think of as clean hydroelectric power. Many points are made about the negative effects dams have on their surrounding enviro...
Summary: The video describes the carbon cycle at an introductory level. It describes the natural carbon cycle, and each step of the process while highlighting the fact that through this...
Summary This video covers the three main rock types: metamorphic, igneous, and sedimentary. Details about each type of rock are discussed, including what it is made of and how it formed...
Summary This video begins by explaining how carbon dioxide (CO2) gets into our atmosphere, including the roles of photosynthesis and greenhouse gases in the carbon cycle. Th...