April 22, 2015, marks the 45th anniversary of Earth Day ― a day intended to inspire awareness and appreciation for the Earth's natural environment. The day came from reaction to a massive oil spill in waters near Santa Barbara, California, in 1969. In honor of Earth Day ― and Earth Week (April 16-22) ― this edition of Profile America Facts for Features includes examples of Census Bureau statistics pertaining to energy and the environment.
$9.8 billion
Revenues in 2012 for electric power generation industries that use renewable energy resources, such as hydro, wind, geothermal, biomass, solar and other electric power generation. This figure is up 49.0 percent from $6.6 billion in 2007.
697
The number of wind, geothermal, biomass, solar and other electric power generation business establishments in 2012, up from 312 in 2007.
1,220
The number of employees in geothermal electric power generation in 2012.
