Earth & Environmental Sciences
lighting
100%
lamp
47%
daylight
45%
photoreception
35%
light pollution
28%
Sustainable Development Goal
23%
pedestrian
22%
walking
20%
vertebrate
17%
tunnel
17%
developing world
16%
methodology
16%
recycling
14%
demand
13%
energy
11%
energy saving
11%
monument
10%
historical monument
7%
historical site
6%
rate
6%
cave
5%
Engineering & Materials Science
Lighting
89%
Melatonin
35%
Lighting fixtures
33%
Pollution
17%
Color
17%
Sustainable development
17%
Life cycle
16%
Tunnels
16%
Light sources
13%
Light emitting diodes
12%
Luminance
10%
Sodium
9%
Illuminating engineering
8%
Metal halides
8%
Caves
7%
Costs
7%
Optical fibers
5%
Ecosystems
5%
Electric lamps
5%
Cost effectiveness
5%
Social Sciences
cultural sites
29%
suppression
21%
Nepal
20%
monument
17%
sustainable development
16%
demand
13%
impact research
12%
available information
9%
fitness
9%
energy saving
8%
energy consumption
7%
Group
5%
Malpractice
5%
cause
5%
driver
5%
beauty
5%
health
5%
