He then used established formulas for calculating how different amounts of the gases in the future would affect the inflow of energy from the sun and escape of heat from the earth. (nytimes.com)
These volcanoes (and all the other c. 130 volcanoes on this arc) are the surface channels for the escape of this heat, but because this heat is channelled into discrete and isolated areas — we get individual volcanoes instead of a continuous long crack in the crust gently weeping lava. (sciencemediacentre.org)
Installing an HRV allows you to make your house more air - tight, preventing the escape of heated or cooled air and prevents dirty outside air from being drawn in by slightly pressurizing your house. (treehugger.com)