Green buildings:5 examples of sustainable architecture around the world (Part 1).

There are a lot of ways to size up buildings, whether by measuring their height, comparing styles of architecture or dissecting their histories. But in the era of climate change, more and more emphasis is being placed on a building’s “green” credentials, as environmental impact leads decisions around design, construction and operations.

 These are 5 noteworthy green buildings from around the world.

1. Pixel Building (Melbourne, Australia)

The Pixel Building shows how “green” can be a multicolored affair. Credit: Roger Wong/Moment Editorial/Flickr Vision/Getty Images

Opened: 2010 | Use: Offices | Design: Decibel Architecture

When it opened a decade ago, the Pixel Building was Australia’s first carbon-neutral office building, generating all its own power and water on site.Among its energy-saving features are colorful, eye-catching panels that provide shade and maximize daylight as needed, supports that help process wastewater, a roof that captures rainwater, and a series of vertical wind turbines.

2. Bahrain World Trade Center 1 and 2 (Bahrain)

The twin towers of the World Trade Center in Manama, capital city of Bahrain, use the wind to full advantage. Credit: Andia/UIG/Getty Images

Opened: 2008 | Use: Offices | Design: Atkins

Reaching an incredible 787 feet, the futuristic towers of Bahrain’s World Trade Center complex are optimally positioned to take advantage of the island nation’s desert winds, with three turbines mounted on sky bridges between the towers to generate electricity.The towers’ shapes, reminiscent of the Arab dhow sailing ships, help funnel wind to the turbines, which supply about 15% of the buildings’ electricityReflective pools at the towers’ base help with cooling via evaporation.

3. Museum of Tomorrow (Rio de Janeiro, Brazil)

The Museum of Tomorrow’s shapes were inspired by bromeliads of Rio’s Botanical Garden. Credit: Luiz Souza/NurPhoto/Getty Images

Opened: 2015 | Use: Science museum | Design: Santiago Calatrava

With its distinct cantilevered roof, reflective pools and skeletal structure (a signature of architect Santiago Calatrava) Rio’s Museum of Tomorrow is a testament to future possibilities.It’s sustainable design features include adjustable, fin-like solar panels that add to the building’s neofuturist aesthetic, and a pumping system that takes cold water from the bottom of nearby Guanabara Bay for use in its air-conditioning system.

4. PARKROYAL Collection Pickering (Singapore)

PARKROYAL Collection Pickering incorporates the tropical climate of Singapore into the building. Credit: iStock Editorial/Getty Images

Opened: 2013 | Use: Hotel | Design: WOHA Architects

PARKROYAL Collection Pickering takes obvious inspiration from Singapore’s tropical environment. The design is inspired by terraformed rice paddies, and numerous sky gardens have been inserted along the building’s facade.

They deliver luxuriant greenery, including palm trees, to public areas and guest room balconies. These also provide a natural cooling effect.WOHA also incorporated crevasses, waterfalls and gullies into the design. These features are designed to be self-sustaining, taking advantage of Singapore’s abundant rainfall to irrigate all those plants through a drip system.

5. Suzlon One Earth (Pune, India)

Suzlon One Earth was built using only recycled and nontoxic materials. The design lets in fresh air and natural light to all parts of the campus. Credit: Suzlon

Opened: 2009 | Use: Offices | Design: Christopher Benninger

It should come as no surprise that wind turbine supplier Suzlon has a top-tier green headquarters.According to MGS Architecture of India, the Suzlon One Earth campus has a platinum LEED certification, generating some of its electrical needs on site — 80% of this power comes from wind and 20% from solar. The rest of its electricity comes from its off-site windmill farms, making it a net zero energy building.

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