e2 - the economies of being environmentally conscious

The series explores attainable solutions to pressing environmental and social challenges, and its stories are culled from a variety of fields including design, energy, transport, water, food and urban development.

e2 - Melbourne Reborn

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By the mid-1970s, Melbourne was a dying city. People commuted in to work during the day, but downtown became a ghost town after 5pm. This episode explores how leadership and vision transformed the cityscape. Rob Adams, Melbourne's director of design and urban environment, gives a guided tour to show how the city first sought livability, then sustainability, and how the two are inextricably intertwined.

e2 - Architecture 2030

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Buildings are responsible for almost half of all greenhouse gas emissions in the United States. Can a collaborative effort - government leaders, architects, regulatory agencies and building suppliers - avert a climate crisis through policy change and education? Architect-turned-activist Ed Mazria may have the answer. His Architecture 2030 organization is galvanizing commitment to a carbon-neutral building sector by the year 2030.

e2 - A Garden in Cairo

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Cairo, a city of 16 million, is one of the most densely populated in the world, with only one square foot of green space per person prior to 2005. His Highness the Aga Khan, the spiritual leader of the Shia Imami Ismaili Muslims, saw the need to relieve this congestion. The result is Al-Azhar Park: a 500-year-old dump-turned-"urban lung" that provides much-needed green space and a source of civic pride.

e2 - Bogota: Building a Sustainable City

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Enrique Peñalosa, the former mayor of Bogotá, Colombia, transformed one of the world's most chaotic cities into a model of civic-minded and sustainable urban planning. He reformed public transportation, added greenways, built mega-libraries and created the longest stretch of bike-only lanes in the world. But along the way, he met tremendous opposition from the very people he was attempting to help.

e2 - Affordable Green Housing

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New York City is known for its diversity, but that quality isn't always reflected in its public housing developments, which often ignore the social and cultural characteristics of the communities who live in them. This episode follows third generation-developer Jonathan Rose through Irvington, Harlem and the Bronx - communities where Rose is putting sustainability within reach of public housing residents.

e2 - Adaptive Reuse in the Netherlands

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Dutch planners tap into their innate design sensibility and the industrial landscape to create a sustainable development in Amsterdam's abandoned dockyards, Borneo Sporenburg. Offering an alternative to the trappings of suburban sprawl, the development maximizes space while maintaining privacy, and uses the vast waterways as core landscape design elements.

e2 - The Village Architect

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Architect Brian MacKay-Lyons grew up on the shipyards of Nova Scotia and borrows from that lean, economical building tradition in his architecture. From the Barn Yard in his village to the Canadian Embassy in Bangladesh, this episode presents a lesson in local vernacular - why it works and how it might be the most sustainable form of architecture there is.

e2 - China: From Red to Green?

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The series moves to China, whose soaring population and rapid industrialization have created a boom in urbanization that is unprecedented in human history. To try to tackle this global issue, "China: From Red to Green?" explores green design solutions in both theory and practice, including Steven Holl's Linked Hybrid project, which will have the largest residential geothermal heating/cooling and greywater recycling system in the world upon completion.

e2 - The Green Apple

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New York is a city that is leading the charge to green its industrial skyline with several groundbreaking projects. New York combats the urban myth of the bustling city as a "concrete jungle." "The Green Apple" explores some of Manhattan's most prominent and technologically advanced structures like One Bryant Park and The Solaire, as well as the innovative minds behind them. The episode illustrates how the ubiquitous skyscraper can surprisingly be a model of environmental responsibility.