This research deals specifically with urban planning by focusing on passages connecting tall buildings. Tunnels built in the air, and connecting tall buildings create human passage ways for people to walk through. Australia

Buildings use 40% of the primary energy supplied in the United States, and more than 70% of all generated electricity, primarily for heating, cooling, and lighting. About 20% of the energy used by buildings can potentially be saved by correcting faults, including malfunctions and unnecessary operation.

Development Alternatives (DA), a non- profit in New Delhi, recently organised a three-day Capacity Building Training on "Building for Future: Green and eco-friendly". Attended by students, architects and civil engineers from across India, the training programme aimed at creating awareness about sustainable building practices and green buildings.

As an award-winning architect and globally renowned crusader for green architecture, Karan Grover is a man  who needs no introduction. Rajesh Kulkarni caught up with him at a suburban Mumbai five star hotel for his unique take on the country's ongoing 'green revolution'.

An interview with Rajesh Kulkarni an award winning architect and globally renowned crusader for green architecture.

The biggest challenge facing humankind is to reconcile the impact of humans with the ability of our planet Earth to provide resources and absorb waste. This "crisis" presents a potentially pivotal opportunity for architects, who have a crucial role to play in addressing this challenge. Sustainable cities are the building blocks of a peaceful and sustainable world.