The most important choice we can make to reduce air pollution is to use less energy, or âconserve energy.â. In BC, most of our electricity is generated by dams, instead of the combustion of fossil fuels. Hydroelectricity is a clean source of energy in terms of air quality, but it does have other environmental impacts.
Placentia, CA Weather. The average temperature of Placentia is 65.55Â°F, which is higher than the California average temperature of 61.17Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather.
Sponsored Topics. Placentia is a city in northern Orange County, California. The population was 50,533 at the 2010 census, up from 46,488 at the 2000 census. This includes the community of Atwood, which is included in the city of Placentia, and is located in its southernmost quadrant.