Answer:
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
My first half means container. Not a lot of people understand my language. What am I?
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?
I am rarely touched but often held. If you are smart you'll use me well. What am I?
I keep growing and am practically indestructible. I get eaten, but always come back. I survive cold and lie everywhere. You see me everyday. What am I?
No matter how little or how much you use me, you change me every month.