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Nitrogen and phosphorus
levels in soil have doubled
in the last century representing the largest impact
on the nitrogen cycle in 2.5 billion years
levels in soil have doubled
in the last century representing the largest impact
on the nitrogen cycle in 2.5 billion years
Full Transcript
00:00:01.000 --> 00:00:03.292
Nitrogen and phosphorus
levels in soil
00:00:03.334 --> 00:00:06.625
have doubled
in the last century
00:00:06.667 --> 00:00:10.417
representing the largest impact
on the nitrogen cycle
00:00:10.459 --> 00:00:13.000
in 2.5 billion years.
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Movie Summary
Filmmakers travel to six continents and 20 countries to document the impact humans have made on the planet.