DYK: Here Comes the Sun
Did you know on average, 1.05 x 105 terawatts (TW) of solar radiation reach the Earth’s surface, while global electricity demand averages 2.4 TW.
DYK: Driving is a Waste of Time
Did you know that due to congestion in urban areas, an additional 6.9 billion hours of travel time and an extra 3.1 billion gallons of fuel are use by urban Americans in 2014?
DYK: Cars vs Trains and Busses
Did you know that in 2015, 58.65 billion passenger-miles (PM) were traveled on public transit, and 3 trillion vehicle-miles are traveled (VMT) on public roads each year.
DYK: People Like Cities
Did you know the rate of urbanization, i.e., the changing of land from forest or agricultural uses to suburban and urban uses, is increasing by 15% from 2010 - 2015? Urban land area is 106,386 square miles, or 3% of total land area in the U.S., and is projected to...
DYK: Where Do People Live?
Did you know approximately 82% of the U.S. population lives in urban areas, up from 64% in 1950 and by 2050, 90% of the U.S. population and 68% of the world population is projected to live in urban areas?
DYK: Wasteful Energy
Did you know that Wasteful Energy uses in residential homes include the following and that these together they represent approximately 39% of all residential primary energy use? Heating and cooling unoccupied homes and rooms Inefficient appliances Thermostat...
DYK: How Much Land Do You Use?
Did you know that urban areas comprise only 3.6% of the total land mass of the 48 contiguous states, but 80% of the Americans, live, work and play there.
DYK: How Big Is Your House?
Did you know that the average size of a residential U.S Single Family Home has grown from 983 sf in 1950 to 2,599 sf in 2017. A 164% increase
DYK: Instead of AA, Use Building Batteries
Did you know that in the United States approximately 20% of all electrical energy generated is used to heat and cool large institutional building. Can buildings be used as batteries by dumping energy in when renewable sources (wind/solar) are plentiful and then...