Dew, wind, rain and clouds. Some links for things that came up in the shiur:
How long we could survive without the sun? https://www.popsci.com/science/article/2013-07/if-sun-went-out-how-long-could-life-earth-survive/
Choref/Stav: http://www.balashon.com/2007/09/stav-and-horef.html