Weather

CO2 at NOAA’s Mauna Loa Observatory reaches new milestone: Tops 400 ppm

ScienceCasts: The "Sleeping Giant" in Arctic Permafrost

Solar Radiation and the Earth’s Albedo
THE ATMOSPHERE
SOLAR RADIATION & SEASONS
ENERGY BALANCE & TEMPERATURE
Why Do We have Seasons?

http://video.about.com/geography/Overview-of-the-Four-Seasons.htm#vdTrn




























http://environment.nationalgeographic.com/environment/global-warming/gw-overview-interactive/
http://www.vox.com/2016/7/4/12091464/ozone-layer-healing-recovering
https://www.youtube.com/watch?v=PaSFAbATPvk

https://www.youtube.com/watch?v=7Mz2laHjVoQ