Heat waves in megacities at the beginning of XXI century become more dangerous.
Transport planning at a megacity level will require more than widening streets or providing more of them.
At present, megacity Dhaka has been experiencing procedural delays and bureaucratic red-tapism in land registration, plan approval for land development, handing over of plots.
The country already has at least 15 megacities (defined as cities with more than 10 million residents) and expects several more urban centres to reach megacity status, as it predicts the urbanisation rate to increase another 10% by 2020.
Results from a high-resolution model (20 km mesh) indicate that the diurnal cycles over the IMC will be weakened in future mainly due to nighttime land temperature increase associated with global warming (Kitoh and Arakawa 2005), although at present, even megacities (such as Jakarta) in the IMC do not have notable local heat island effects.
Abin Chadhuri's bamboo rainbow installation, Uneven Growth: Tactical Urbanisms for Expanding Megacities at MoMA lit up the day, and then literally lit up the night with its attached LED lights.
They are leading the Mexico City Case Study, part of a program at M.I.T. for exploring the problems of megacities in the developing world.
Geoff Gower is executive creative director at ais London In the age of megacities and hubs, is it time to rebrand "the north"?
As China struggles to plan cities with Chinese characteristics it must work at scales ranging from small towns to megacities, decide how rapidly to urbanize under enormous pressure, and determine the physical forms urbanization will take.
Other, chiefly Asian and African nations will be bursting at the seams, their megacities co-existing with great rural poverty.
African megacities are at risk of geological disasters and pose huge problems for waste management, supply of raw materials, water use, air quality and climate change.
