International Environment changes has been occurring in all world. Now experts has issued a new warning. Karachi will be part of sea in next 45 years if necessary actions and steps not taken. As Karachi is the hub of trade in Pakistan and nearly 30% population of Pakistan lives in Karachi only. We already have issued warning of rising temperature in Karachi in this summer. As in last year more than 1300 people died due to high temperature.