New York City has passed sweeping new laws to green the city’s roofs. What do they mean for residents, building owners, and birds?

Thousands of new rain gardens are soaking up stormwater across the city. As green infrastructure settles into the sidewalk, can we learn to love a sewer?

An artist and a historian talk trees: What they mean, and what it takes to get city-dwellers to see them clearly.

What’s lost when the value of city trees is reduced to the “environmental services” they provide?

In Sheepshead Bay, designing for resilience at a scale somewhere between the city and the single-family house.

Maria Aiolova of Terreform ONE discusses the design group's ONE Prize, an annual design and science award that this year focused on how cities can adapt to future challenges of extreme weather, yielding winning proposals that address coastal conditions from Staten Island to Tokyo to Sumatra.

Urban ecologist Alexander Felson proposes a new kind of ecological practice, one that moves from analyzing nature to shaping it and embeds scientific experiments into the design process.

Biologist and plant scientist Paul Mankiewicz explains the Gaia Hypothesis, the inherent environmental productivity of organisms, and why the city's waste stream is our greatest untapped ecological and economic asset.

Kerri Culhane explains how geographical, historical and architectural factors make the Two Bridges neighborhood uniquely suited to realize the environmental, economic and social benefits of green infrastructure.

Adam Lubinsky discusses a range of urban planning strategies and design opportunities to help get New Yorkers into the waters of the East River.