a matter of life and death
Meaning: If something is a matter of life and death, it's extremely important and it could involve someone's survival.
- Education about HIV and AIDS is a matter of life and death. If people aren't told to protect themselves with condoms, they could die from the disease.
- Getting someone to hospital quickly after an accident or a heart attack is a matter of life and death. Just a few minutes can make all the difference.
Al says one of the issues we face that's a matter of life and death for the whole planet is