A chemical used as a preservative and in bonding agents. It is found in household products such as plywood, furniture, carpets, and some types of foam insulation. It is also a by-product of combustion and is a strong-smelling, colorless gas that is an eye ...

The planting, cultivation, and harvesting of a single species of crop in a specified area.

A measure of the moisture content of air; may be expressed as absolute, mixing ratio, saturation deficit, relative, or specific.

A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots.

The process of converting municipal solid waste to energy and/or recovering materials for recycling.

A battery that uses lithium in the negative electrode and a metal sulfide in the positive electrode, and the electrolyte is molten salt; can store large amounts of energy per unit weight.

The heat produced by combusting a specific quantity and volume of fuel in an oxygen-bomb colorimeter under specific conditions.

Power plants, whose output depends on a factor(s) that cannot be controlled by the power generator because they utilize intermittent resources such as solar energy or the wind.

A component of a heat pump that reverses the refrigerant's direction of flow, allowing the heat pump to switch from cooling to heating or heating to cooling.

The amount of money required to secure a specified cash flow at a future date at a specified return.

An automatic valve that is opened or closed by an electromagnet.

Air that is returned to a heating or cooling appliance from a heated or cooled space.

Any wholly or partially enclosed space in which combustion takes place.

An electronic device that allows current to flow in one direction only.

The local climate of specific place or habitat, as influenced by landscape features.

The demand of a consumer of electricity at the time of a power supplier's peak system demand.

A solar collector in which the absorber is contained in a sealed glass tube, thereby providing for relatively high temperature heat gain.

A concrete pad that sits on gravel or crushed rock, well-compacted soil either level with the ground or above the ground.

The highest possible pressure in a fuel-air mixture before spontaneous ignition occurs.

Solar radiation reflected from the ground onto a solar collector.