The temperature in Dhaka city has risen 2 degrees centigrade over the past century, more than the average 0.6 degree rise in Bangladesh, due to unplanned urbanization. Areas within Dhaka vary in temperature depending on factors like motor vehicle traffic and air conditioner use. The Poribesh Bachao Andolan environmental group made suggestions including hourly temperature updates from the weather department to address the rising temperatures caused by the nearly 1 million registered vehicles in Dhaka.