| A | B |
|---|
| Acid rain | rain containing acids that form in the atmosphere when industrial gas emissions combine with water |
| Aerosol | of or containing a liquid gas under pressure for dispensing as a spray or foam |
| Brown cloud | a thick large and persistent mass of water vapor and air pollution forming in the atmosphere |
| Water management | the practices of planning, developing, distribution and optimum utilizing of water resources under defined water policies and regulations |
| Renewable resource | any natural resource that can replenish itself naturally over time, as wood or solar energy; aka. Renewable energy |
| Regional haze | visibility impairment that is caused by the emission of air pollutants from numerous sources located over a wide geographic area |
| Nonrenewable resource | any natural resource from the Earth that exists in limited supply and cannot be replaced if it is used up; cannot be replaced at the same rates that it is consumed |
| Cloud | a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth’s surface |
| Stratus cloud | a large dark low cloud |
| Cumulus cloud | a globular cloud |
| Cirrus cloud | a wispy white cloud at a high altitude |
| Fog | a cloudlike mass or layer of minute water droplets or ice crystals near the surface of the earth, appreciably reducing visibility |
| Hurricane | a violent, tropical, cyclonic storm of the western North Atlantic, having wind speeds of or in excess of 72 mph; a storm of the most intense severity |
| Tornado | a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel-shaped cloud extending toward the ground and made visible by condensation and debris |
