Lampshade. Lower wattage bulbs. Shorter 'on' times. And the off switch.
Switching off lights or observing from a non polluted are (Mountains etc)
This is generally referred to as pollution.
catalytic converter
catalytic converter
Catalytic converter
Catalytic converter ,
catalytic converter
Skyglow or overillumination.
A catalytic converter is attached to the car's exhaust system to reduce emissions.
catalytic converters Type your answer here...
Sky glow ir overillumination.
That is known as Light Pollution.
There are almost 1000 questions on air pollution in the Air Pollution category and many more misfiled in the categories. Each is important depending on your concern and the stage of your investigation. In general the most important questions are ones about: * What type of air pollution impact me/my area/the world * How are these pollutants impacting me/the environment * Who is working to reduce these pollutants, how can I contact them * What can I do to reduce the levels of these pollutants The stages of your progress through learning and reacting to air pollution are listed below with search words depending on your concern (filling in specifics for bracketed questions): # I have just become aware of a problem: Look under words like Air Pollution, (Your Location), (type of industry) # I want to know the background of the problem: Regulations, government, (your locations). health impacts, (name of pollutant) # Tell me where does it come from: (name of pollutant), sources, # What impacts does it have: effects, impacts, (nam of pollutant) # What can I do to reduce it: reduce, pollution, (name of pollutant) My personal choices for most important global issues in air pollution are: * Global Climate Change * Acidic Precipitation My personal choice for "important answer" is: * What can I do to reduce climate chage