Earth System Trend Detective

NASA Space Apps Challenge 2026

Change is everywhere.
Is it real, or just noise?

Pick any place on Earth. We pull more than 40 years of NASA data, measure the trend, test whether it is statistically credible, and check whether the answer depends on the years you choose. Then we tell you what the evidence supports, and what it cannot tell you.

Start investigating
  1. 1
    Pick a placeClick the map or search any town.
  2. 2
    Read the evidenceTrend, confidence and the numbers behind them.
  3. 3
    Test the verdictMove the years. Does the story hold?

Guided Detective cases