Despite our small contribution to global environmental pollution, Pakistan stands as one of the most vulnerable countries to global warming.

From Shea Gunther and Mother Nature Network: I'm fascinated by the bike culture of Amsterdam. It's part of an larger transportation city network th...

From EcoSalon: Clean energy, public transit and local food make these 10 big cities the greenest of them all. Honking cars emit foul black cloud...

Sustainable cities -- or eco-cities -- cropping up across the globe may hold the answers to the challenges presented by swelling urban populations.

Sustainability could become the first megatrend of our new century. Everywhere you look, green is moving from the outskirts to downtown. But exactly how sustainable is downtown?

Are cities devastated by disasters being redeveloped with an eye to accommodating that climate, and lessening its impact? If we use Pakistan as an example, the answer seems to be 'no'.

Cities cover only 3% of the world's land mass, but they house 50% of the world's population, consume 75% of the world's resources and emit a correspon...