Conversation so far:
Is the band Earth Crisis still around?
Earth Crisis's years active are 1989–2001, 2007–present
What songs from the band Earth Crisis became anthems?
Some Earth Crisis songs went on to be considered by some as anthems, such as Firestorm for straight edge
Are there other Earth Crisis songs that are anthems too besides Firestorm
Some Earth Crisis songs went on to be considered by some as anthems, such as Firestorm for straight edge and Ultramilitance for eco-terrorists.
How did Earth Crisis influence future bands?
Earth Crisis had a huge impact on both the hardcore punk music and its ideals.

Question: How did they influence hardcore punk music?
Self-contained rewrite: How did Earth Crisis influence hardcore punk music?