Tex Dworkin | Care2.com

Mike MichaelsThe streets of San Francisco are packed with more bicycle traffic than car traffic. Municipal rainwater harvesting quenches 50 percent of the city’s water thirst, goats keep municipal land weed-free, rooftops are covered in solar shingles and the city by the bay powers itself, primarily from solar, but wind, too.  The turbines aren’t big, conspicuous contraptions that spin around like a pinwheel, though. These turbines are hardly noticeable, blending into the scenery like a chameleon.

That’s how I picture my city 15 years from now. How would you describe yours?

Masdar’s 2015 Engage Blogging Contest recently called on bloggers around the world to forecast a sustainable future by describing their city in 2030. Part of Abu Dhabi Sustainability Week 2015, bloggers were asked to write about what their city will look like in 2030 based on what they see occurring in urban planning, along with developments in water, waste, energy, food production and transportation.

Why focus on cities as opposed to rural areas? Here’s how the contest page explains it:

The world’s urban centers are now firmly on the frontline of sustainability and innovation. Cities are confronted with maintaining a trajectory of economic growth, while reducing resource demand and addressing climate risk. With the rise of urbanization, the world’s cities must also offer complete communities – a place to live, work and play – while being bastions of sustainability. Read more