Caretaker Finance Minister Dr Shamshad Akhtar. — APP/File KARACHI: Pakistan needs an investment of about $340 billion by 2030 to deal with the challenges of climate change, which is equivalent to 10 percent of its cumulative gross domestic product (GDP), caretaker Finance Minister Shamshad Akhtar said on Wednesday. She noted that countries like Pakistan have to make a choice between prioritising the spending on development and climate change. “Pakistan will spend Rs200 billion on climate change