Feeds:
Posts
Comments

Archive for the ‘POLLUTION’ Category

Martha Schwartz, FASLA, began her lecture last fall at the University of Southern California School of Architecture with a dire warning, and an invitation to play.

In “Beyond Practice” (her comments start at 13:08), she began by outlining the ecological imperative that climate change and carbon emissions place on landscape designers and the rest of the world: the exceptionally long tail of ocean warming, and methane bubbles released from melting permafrost that clog the atmosphere.

From there, it’s a quick exposition of Schwartz’s carefree straddling of the art and landscape architecture worlds. She recounts her 1979 Bagel Garden, when she designed the garden at her Boston home with only materials she could purchase on her block: bagels, purple flowers, and purple aquarium gravel. That act of strident whimsy prompted LAM editor Grady Clay to put this project on his magazine’s cover, bordered in neon pink and hand-drawn bagels. It was an early curation of “native” landscape materials combined with boundary-pushing art installations. “It’s a Dada piece. It’s Duchamp’s toilet,” she says. And it also made her name in landscape architecture.

A survey of Schwartz’s contemporary work (detailed further in this month’s cover story) demonstrates her continued emphasis on offering users quirky art objects to interact with, such as the train-cart seating at Manchester’s Exchange Square, and the gawking polygonal pavilions at Fengming Mountain Park in the Chinese city of Chongqing. This narrow slice of her work shows off a wild range of cultural conditions and aesthetic treatments. There are gritty, postindustral reuses, razor-sharp Libeskind-esque angles, and meditative contemplations of vernacular materials and forms.

Read Full Post »

BY MEG CALKINS, FASLA

New technologies can reduce the environmental footprint of the most-used construction material.

FROM THE JULY 2017 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

Concrete in the 21st century promises to be a more sustainable material, and given the nine billion metric tons used globally each year, it must be. Portland cement, the binding agent in ordinary concrete, has a very high carbon footprint, resulting in just under one ton of carbon dioxide (CO2) released for every ton of cement produced. With 4.2 billion metric tons of the binder used each year worldwide, cement production is responsible for nearly 8 percent of total global carbon emissions. The high lime content of ordinary portland cement contributes about two-thirds of cement’s CO2 impact through the process of limestone calcination. The other one-third of CO2 released is from combustion of fossil fuels.

Technologies to improve the carbon footprint of concrete are currently in the early stages of development, but some, including carbon sequestration in concrete and substantial reductions of cement using energetically modified cement, are now commercially available. Concrete surface products for paving and walls to scrub air pollution, as well as new self-healing concrete products, are also worth investigating. We have heard about some of these innovations for a decade or more in the research community, but many are finally being brought to market—some more quickly than others. Europe is ahead of the United States in the adoption of these technologies, largely because of more rigorous clean air and carbon reduction initiatives.

New technologies in any field can take a long time to move from the laboratory to the marketplace, but (more…)

Read Full Post »

BY ZACH MORTICE

The DAPL crosses two watershed systems. Map by Alma and Friends.

The recently completed Dakota Access Pipeline (DAPL) will run for 1,172 miles from northwest North Dakota to downstate Illinois, pumping 450,000 barrels of oil per day and costing $3.8 billion to build. Those are superlative numbers that can blot out the complexity and vulnerability of the landscapes and watersheds the pipeline traverses. Making these facets of the DAPL clear is the goal of maps created by an anonymous group of designers calling themselves Alma and Friends. Their work has been collected and packaged by the Los Angeles public television station KCET with a series of articles on the ecological consequences of the pipeline.

These maps detail regional watersheds, individual bodies of water, indigenous lands, the blotches of human settlement that dot this stretch of the Great Plains and midwestern prairie, and past and potential oil spills. Collected into a series of seven interactive maps by KCET, (more…)

Read Full Post »

BY STEVE AUSTIN, ASLA

Landscape architecture can mitigate carbon emissions, but it is also implicated among the causes.

FROM THE JUNE 2017 ISSUE OF LANDSCAPE ARCHITECTURE MAGAZINE.

The Paris Agreement on climate change, created by the consensus of 197 nations, went into effect in November 2016 and has enormous implications for the practice of landscape architecture. If adhered to by its signatories, the agreement signals the end of the fossil fuel era by midcentury, well within the life spans of many landscape architects currently practicing. Though it may seem wonderfully “green,” this energy transition poses profound questions for the practice of landscape architecture at a time when the discipline is needed more than ever.

The Paris Agreement foretells a civilization powered nearly exclusively by renewably generated electricity, not fossil-fueled fire, like today. This will impose severe limits on landscape architecture’s materials, construction methods, and professional mobility. The agreement also portends a society with much less energy overall, as fossil fuels currently make up more than 80 percent of total energy consumed and cannot be easily replaced. These stark realities will challenge landscape architects to adapt to the impending zero-carbon future.

Last year set the record for the hottest year in measured history, breaking 2015’s record, which itself (more…)

Read Full Post »

BY ZACH MORTICE

São Paolo is a small aquaponics farming settlement where residents and visitors gather medicinal compounds from the surrounding jungle. 2100: A Dystopian Utopia—The City After Climate Change, by Vanessa Keith/StudioTEKA (New York: Urban Research, 2017). Courtesy of Terreform.

In the not-so-distant future, what remains of São Paulo is something like an ecoresort medical crop farm for ewoks. People from all over the world travel to its lush, frequently flooded rain forest and set up shop in ovular pods in the treetops connected by open-air skywalks. They farm fish, grow sugarcane, and harvest rare, medicinal compounds from the surrounding jungle. Crews deconstruct the old city, leaving more room for this life-saving flora to reassert itself.

A continent away, the city of Phoenix, Arizona, is also in the process of unbecoming. Residents of its single-family houses are cannibalizing their neighborhoods at the stern urging of statist security forces. (Let’s say something like United Nations troops, perhaps wearing black helmets instead of blue ones.) The nation’s sixth-largest city will be shrunk to a tiny fraction of its former size to make way for more massive solar energy farms that dominate the desert landscape. Former Arizonans are invited to move themselves along with the bricks and mortar of their communities to a burgeoning megacity in Vancouver. Some people don’t want to go, and are meeting in secret to talk about what to do if they’re forced.

Those companion (but tonally opposed) visions of the future begin with the same book, Vanessa Keith’s 2100: A Dystopian Utopia—The City After Climate Change, published by Terreform’s Urban Research, Michael Sorkin’s publishing imprint. It envisions a world where (more…)

Read Full Post »

 

While most renewable energy advocates push for an inclusive “all of the above” approach that embraces solar panels, geothermal, and tidal power, there’s usually one method around which all others orbit. In Northern Europe and the North Sea, that’s wind power.

Dutch landscape architecture firm H+N+S has a plan to harness this potential by installing 25,000 wind turbines in the North Sea across 22,000 square miles, the focus of this month’s cover story, “Power Play 2050.” Over the next 33 years, they say the North Sea can generate 90 percent of power demanded.

H+N+S’s plan, dubbed “2050 – An Energetic Odyssey” and featured at the 2016 International Architecture Biennale Rotterdam, is an economic development plan as well as a climate change plan. They predict booming and expanded ports (including an entire island dedicated to the manufacture and construction of wind power infrastructure) and a net gain of jobs, even after accounting for job losses in fossil fuel industries. It would be an incomparable build-up of energy infrastructure, but there’s also a conscientious sense of economical re-use and environmental sensitivity. As described in the video, oil pipelines will be co-opted for carbon sequestration, serving the fossil fuel burners that remain. And wind turbines will have to be designed so that they act as welcoming habitats for underwater plants and animals. These towers will be 12 miles out from shore so that they don’t ruin anyone’s seaward view, far enough away so that the curvature of the earth makes them mostly imperceptible.

“It can be done,” intones the video’s calm, precise BBC-documentary-style narration, “but only when a tailwind can be organized in the shape of realistic pricing or taxation of carbon dioxide that would provide the invisible hand of the market with green gloves.”

Read Full Post »

BY ZACH MORTICE

Joshua Tree National Park in California, where the park’s signature Joshua trees are threatened by climate change. Photo by Zach Mortice.

The national parks advocacy nonprofit—created by the federal government—is pushing back against the new administration on all fronts.

In the months since Donald Trump’s election, the National Parks Conservation Association (NPCA), a nonprofit parks advocacy group, has taken aim at oil and gas drilling bills and rule changes from Republican majorities in Congress, draconian budget cut proposals from the White House, and a host of Trump-appointed agency administrators who’ll affect the health of the national park system. It’s even addressed the coarsening public rhetoric around basic civil rights granted to American citizens. These are all issues Theresa Pierno, NPCA’s president and CEO, sees as under assault by a cast of characters including climate-change deniers, pollution bystanders, and resource-extraction enthusiasts. All are newly empowered with Trump in the White House.

There’s a bill in Congress to ease rules that limit drilling for oil, gas, and minerals in national parks. And this month, LAM editor Brad McKee wrote about revisions to the Department of the Interior’s stream protection rules that make it easier for companies to dump mining waste into streams and waterways. The NPCA has opposed all of these moves.

When the Trump administration ordered the Department of the Interior (DOI), the parent agency of the National Park Service (NPS), to stop tweeting (more…)

Read Full Post »

Older Posts »