Film info
Film summary
Can we rely on thermometer readings alone as proof of global warming? Do satellite temperature readings lead to the same conclusions?
Key facts
- Small increases in average global temperatures have been recorded since the 1950s.
- Thermometer readings from urban areas could give an inflated impression of global warming.
- Satellite readings can record the surface temperature across the entire globe.
- Matching thermometer and satellite readings revealed a trend of global warming.
Transcript
The world is getting warmer.
It seems like a simple statement, one that could be easily tested.
Since the 1950s, volunteers reading thermometers around the world have recorded a small, but significant, increase in average global temperature.
Increase of 0.74°C recorded since the 1950s
But some scientists argue these results are false.
The location of …
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