This is Landscape Architecture:

At Salem State University in Massachusetts, a new residence hall offered the perfect opportunity for WagnerHodgson Landscape Architect to improve the campus' ecological health. A courtyard and green roof absorb stormwater runoff, protecting the nearby marsh from pollution.

In Beirut, Lebanon, the scene of decades of violence, a new memorial by Vladimir Djurovic Landscape Architecture honors Gebran Tueni, a journalist assassinated by a car bomb. Stones etched with his name are meant to be taken, as they are continuously replenished.

The Navy abandoned Philadelphia's Navy Yard in the mid-1990s but left a rich legacy of infrastructure and buildings that became the headquarters for Urban Outfitters. D.I.R.T. Studio salvaged left-over materials, reworking them into something boldly new.

In Sagaponack, New York, the Atlantic Ocean is slowly encroaching due to climate change. To escape rising tides, a couple moved their house 400 feet inland. There, LaGuardia Landscape Architects recreated the historic coastal landscape of dunes and meadows.

Through an ambitious new plan, a multi-disciplinary team at Sasaki Associates is helping to revitalize TechTown, a knowledge district in midtown Detroit. The goal is to create a hub for innovation and collaboration through improvements to the public realm.

Caddo Parish, Louisiana, gets 5 to 6 feet of rain every year. Instead of flushing that water out into a ravine, Jeffrey Carbo Landscape Architects devised a beautiful system of rainwater harvesting and drainage that makes visible the movement of water through the landscape.

At Young Nick's Head, a peninsula on the east coast of New Zealand, Nelson Byrd Woltz Landscape Architects are transforming a 3,000-acre sheep farm into a wildlife sanctuary. To improve biodiversity, both saltwater and freshwater wetlands are being restored.

This green roof in Chicago not only cools the air and absorbs stormwater, but also produces 1,000 pounds of organic food annually. Hoerr Schaudt Landscape Architects designed this haven for the Gary Comer Youth Center to also be a learning environment.

In New Orleans, the 3-mile-long Lafitte Greenway, covering some 50 acres of barren land, will become a sustainable transportation corridor. Landscape architecture firm Design Workshop worked with the city government to fully envision a linear green park.