1.   Brown algae is generally an indication of quite low lighting levels and increasing the amount of light will overcome this problem.

2.   They then reduced the lighting level and were even more puzzled by the fact that productivity improved once more.

3.   For example, if building managers lower lighting levels, the air conditioning system will automatically put out less cool air.

4.   Lighting levels were brought up to par, leaking roofs were fixed, substandard classrooms were enlarged or shut down.

5.   Lighting levels will be increased.

6.   The effect is only enhanced by the restoration, which included cleaning, and by higher lighting levels.

7.   The program can even adjust lighting levels so you can see what your design will look like at dusk or with artificial lighting.

8.   Already six states have passed laws that focus on limiting outdoor lighting levels, she said.