Here are some of my favorite science communication Youtube channels:

Climate and Climate Change

• Climate Adam
• Global Weirding (Katharine Hayhoe)
• John Cook (Skeptical Science, Cranky Uncle)
• Simon Clark
• Zentouro (Miriam Neilson)

Broad Science Topics

• Veratasium, An element of truth (Derek Mueller)
• Sixty Symbols (Brady Haran)
• Up and Atom (Jade Tan-Holmes)
• AsapSCIENCE (Mitchell Moffit and Gregory Brown)
• It’s Okay to be Smart (Joe Hanson)
• SciShow (Hank Green)

Physics

• Sabene Hoffenfelder; Science without the Gobbledygook
• Fermilab (Don Lincoln, Kirsty Duffy, and others)
• Physics Girl (Dianna Cowern)
• Minute Physics (Henry Reich)
• PBS Space Time; Our Universe Explained (Matt O’Down)

Math

• 3Blue1Brown
• NumberPhile

Music Videos (about climate, environment, science)

• Climate Elvis (Josh Willis)
• Ice, Ice, Baby…Polar! (Inspector Planet)

Other Environmental, Weather, Bio, Chem, and Other Science Channels

• Minute Earth
• PBS Terra
• Dr. Gilbz