This answer is about your personal experience
Negative: the ice is melting meaning sea levels are rising. if sea levels are rising then there is less land. if there is less land then there is less land to be able to farm on
Answer:
idk I am sorry. sorry. I have no clue
Kolkata (formerly Calcutta) is the capital of India's West Bengal state. So it is located in India.
Hope I can help you :)