Suggested Resources
Challenge 7:
Reducing Human Impact on
Biogeochemical Cycles
WEBSITES
Use your Internet browser to search for resources using the terms “carbon footprint calculator”
or “nitrogen footprint calculator.”
National Aeronautics and Space Administration (NASA)
https://nasa.gov/
National Oceanic and Atmospheric Administration (NOAA)
https://noaa.gov/
United States Environmental Protection Agency (EPA)
https://epa.gov/
Texas Career Check
https://texascareercheck.com/
Suggested search keywords:
agricultural engineer, agricultural and food science technicians
VIDEOS
Use your Internet browser to search for videos to show during class using the terms “carbon
footprint, ” “nitrogen footprint,” ”human impacts to the carbon cycle,” “human impacts to the
nitrogen cycle,” or “agricultural engineer.” Conduct this search prior to class to verify the content
is appropriate for the class and the challenge.
ARTICLES
NASA Earth Observatory. (n.d.).
Human consumption of net primary production
[Website article].
Retrieved from
https://earthobservatory.nasa.gov/images/4600/human-consumption-of-
net-primary-production
NOAA Climate Program Office. (n.d.).
Improved understanding of the nitrogen cycle
[Website
article]. Retrieved from
https://climate.noaa.gov/Meet-the-Divisions/Earth-System-Science-
and-Modeling/AC4/Improved-understanding-of-nitrogen-cycle
NOAA National Ocean Service. (2021, February 26).
What is nutrient pollution?
[Website article].
Retrieved from
https://oceanservice.noaa.gov/facts/nutpollution.html
NOAA National Ocean Service. (2021, February 26).
What is the carbon cycle?
[Website article].
Retrieved from
https://oceanservice.noaa.gov/facts/carbon-cycle.html
Riebeek, H. (2011, June 16).
The carbon cycle
[Website article]. Retrieved from
https://earth
observatory.nasa.gov/features/CarbonCycle