Real problem is not population explosion, but what the population is doing.
Responsibility means to perform our service properly,with proper attitude, behavior and words.
Death is not big thing, what is important is God's service.
COOPERATION means to be willing to sacrifice for the sake of others
Speak the essence and live by it.
The essence of Bhagavad Gita is that we should always think of Krsna, become His devotee, worship him and offer homage unto him.