1- NASA- https://spaceplace.nasa.gov/glossary/en/

2- NASA- https://earthobservatory.nasa.gov/glossary/all

3- American Museum of Natural History https://www.amnh.org/learn-teach/curriculum-collections/earth-inside-and-out/earth-inside-and-out-glossary

4- Government Site- https://w1.weather.gov/glossary/

5- Merriam Webster- https://www.merriam-webster.com/

6- Government Site- https://oceanservice.noaa.gov/facts/watershed.html

7-Britannica- https://www.britannica.com/science/solar-energy

8- NASA- https://www.earthdata.nasa.gov/learn/glossary

9- NASA- https://climatekids.nasa.gov/heat-islands/

10- Government Site- https://mapasyst.extension.org/what-does-vegetation-index-mean-in-remote-sensing-technology/

11- NASA- https://landsat.gsfc.nasa.gov/article/the-thematic-mapper/

12- NASA- https://mynasadata.larc.nasa.gov/

13- NASA- https://podaac.jpl.nasa.gov/SeaSurfaceTemperature

14- Government- https://www.globalchange.gov/browse/multimedia/observed-trends-hurricane-power-dissipation

15- Government- https://pubs.usgs.gov/gip/dynamic/tectonic.html

16- Government- https://www.airnow.gov/aqi/aqi-basics/