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Topic · Global and Planetary Change

Impact of Light on Environment and Health

Impact of Light on Environment and Health is a research topic within Global and Planetary Change. Science Explorer counts 25k research works in it since 1950. 15.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the diverse impacts and applications of nighttime light data, including its use in measuring economic growth, assessing light pollution's ecological effects, predicting poverty, mapping population distribution, and monitoring urbanization dynamics. The research covers a wide range of fields such as remote sensing, environmental science, economics, and public health.

  • Nighttime Light Data
  • Economic Growth
  • Light Pollution
  • Remote Sensing
  • Population Mapping
  • Urbanization Dynamics
  • Artificial Light
  • Satellite Imagery
  • Poverty Prediction
  • Ecological Impacts
Research works
25k
fractional, since 1950
In the world top 10%
3.7k
per year above
Top-10% rate
15.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+65%
the tick is no change

Which countries lead Impact of Light on Environment and Health research?

By volume, China and the United States publish the most (1.7k and 632 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1.7k works
  2. 2 United States 632 works
  3. 3 India 554 works
  4. 4 Indonesia 216 works
  5. 5 United Kingdom 211 works
  6. 6 Germany 172 works
  7. 7 Brazil 160 works
  8. 8 Spain 143 works
  9. 9 France 142 works
  10. 10 Japan 139 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 42.0%United States: 15.5%India: 13.6%Indonesia: 5.3%6 others listed: 23.7%42%largest
China1,715 · 42.0%United States632 · 15.5%India554 · 13.6%Indonesia216 · 5.3%6 others listed966 · 23.7%

Shares of the rows listed above, not of the whole node.

Which institutions lead Impact of Light on Environment and Health research?

By volume in 2022–2025, Chinese Academy of Sciences publishes the most Impact of Light on Environment and Health research, followed by Wuhan University and Technical University of Sofia.

By volume, 2022–2025

  1. 1 Chinese Academy of Sciences China 39 works
  2. 2 Wuhan University China 37 works
  3. 3 Technical University of Sofia Bulgaria 26 works
  4. 4 Tongji University China 24 works
  5. 5 North Carolina State University United States 23 works
  6. 6 University of Chinese Academy of Sciences China 23 works
  7. 7 Tsinghua University China 22 works
  8. 8 Sun Yat-sen University China 20 works
  9. 9 Peking University China 19 works
  10. 10 University of Hong Kong Hong Kong 19 works

Where is Impact of Light on Environment and Health research done?

The largest centres of Impact of Light on Environment and Health research in 2022–2025 are Beijing (China), Shanghai (China), Wuhan (China) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Raleigh, Sofia and Bratislava.

Largest cities, 2022–2025

  1. 1 Beijing China 377 works
  2. 2 Shanghai China 114 works
  3. 3 Wuhan China 108 works
  4. 4 Nanjing China 103 works
  5. 5 Guangzhou China 85 works
  6. 6 Xi'an China 74 works
  7. 7 Chongqing China 59 works
  8. 8 Tokyo Japan 49 works
  9. 9 Chengdu China 49 works
  10. 10 Tehran Iran 48 works

Where it is the local speciality

  1. RaleighUS · 22.9 works5.5×
  2. SofiaBG · 38.7 works5.4×
  3. BratislavaSK · 22.8 works4.3×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Impact of Light on Environment and Health than the world average.

See Impact of Light on Environment and Health on the map

Where is the best place to study Impact of Light on Environment and Health?

Among universities, judged by research, Wuhan University, Aerospace Information Research Institute and National University of Singapore score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%25%50%75%mean 34.53%fractional works in this node (log) →share in the world top 10% →Wuhan University: 37, 33.2%Aerospace Information Research Institute: 14, 33.8%National University of Singapore: 13, 61.8%Chinese University of Hong Kong: 11, 45.8%University of Hong Kong: 19, 40.1%National Technical University of Athens: 10, 26.7%Sun Yat-sen University: 20, 34.4%Peking University: 19, 39.3%University of Chinese Academy of Sciences: 22, 28.3%Technical University of Sofia: 26, 1.9%National University …Chinese University o…Aerospace Informatio…Wuhan University
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1Wuhan University China 63.433.2%4.8×37 +546.2%
2Aerospace Information Research Institute China 55.833.8%18.2×14 —
3National University of Singapore Singapore 53.961.8%2.2×13 +41.8%
4Chinese University of Hong Kong Hong Kong 52.645.8%2.4×11 +175.6%
5University of Hong Kong Hong Kong 51.740.1%3.4×19 +34.0%
6National Technical University of Athens Greece 49.826.7%6.4×10 +393.8%
7Sun Yat-sen University China 49.234.4%2.0×20 +364.5%
8Peking University China 48.639.3%1.9×19 +148.9%
9University of Chinese Academy of Sciences China 48.128.3%2.1×22 +202.5%
10Technical University of Sofia Bulgaria 47.91.9%29.6×26 —

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Impact of Light on Environment and Health research growing?

Output in 2018–2022 was 65% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Impact of Light on Environment and Health.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.