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As we start writing the code for the new zoning ordinance, a “big picture” view seems in order. The biggest-picture formula in climate change, called the Kaya identity, is:

F=Pgef

F = Global CO2 emissions (combustion, flaring of natural gas, cement production, oxidation of nonfuel hydrocarbons, and transport) P = Global population (total number of human beings) g = Consumption per person (gross world product divided by population) e = Energy intensity of gross world product (global energy consumption divided by gross world product) f = Carbon used to make energy (global carbon dioxide emissions divided by global energy consumption)

The most obvious thing about this equation – if you remember even grade-school math – is … Continue reading

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guest blogger:  Lisa Mroszczyk

Recycle your house and neighborhood.

During National Preservation Month, the National Trust for Historic Preservation reminds us that just as old buildings are sustainable, so are old communities. Older communities are often built closer to economic centers, they are smaller and have viable existing infrastructure, and can be retrofitted for walking, biking, and transit use. In contrast, developing previously undeveloped land is energy and material intensive and can have significant environmental impacts. The rehabilitation and reuse of buildings in denser, centrally located historic districts and the preservation of agricultural land prevents sprawl and reduces impacts on the environment. 

Architect Carl Elefante, author of “The Greenest Building Is…One That Is Already Built,” describes the relationship of preservation to … Continue reading

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Lately, I’ve been discussing the effort to rewrite Montgomery County’s zoning code. Previous installments have covered zones and uses. Today, I discuss issues that make the current code complex and disorganized.

Deficient Definitions

Like most legal documents, the Montgomery County Zoning Code includes a definitions section. But like other parts of our code, this section has also become cluttered and disorganized.

Montgomery’s code includes 25 defined terms that are not used in the text of the code. “Foster home,” “marquee,” and “roof line” all fall into this category; the meaning of each is clear — because they’re defined — but they are never referenced in the code.

Of the multitude of office types listed as permitted uses, only three … Continue reading

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Guest Blogger: Michael Brown, Urban Designer, Kensington Sector Plan

After nearly 30 years, the Town of Kensington is inching closer to an updated sector plan. Thumbing through the 1978 Plan, you quickly realize the need for the updated document. While the overall vision of maintaining Kensington’s single-family, historical character has not changed, the updated plan promotes a new vision for the center.

In the 1960s, Kensington was designated as a Central Business District, in anticipation of a Metro route along the existing rail line. When Metro decided instead to build the Red Line along a different route, the 1978 plan eliminated the CBD designation to preserve the low-intensity character. Conversely, the updated plan promotes a mixed-use center with connections … Continue reading

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What would one notice if a map was created based on the geographical entries in Wikepedia? A confirmation that “we” [viz., the countries in dark red below] are more interested in ourselves than other places.

This may be obvious, and not necessarily self-serving, but it does point to our lack of knowledge of other places and peoples. In any event, the visualization of this information is a pointed reminder that much of the world isn’t even involved as part of the conversation on knowledge and information. If nothing else, we should remember this when we speak of “the greater good”.

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On communities having more input. Not sure I’m down with the program advocated in all – or even most – cases.  But important for particularly important locations and projects, e.g., civic buildings and open spaces.

An example of the grassroots process advocated above that did work:  Paint Your Faith.

Paint Your Faith Video

On artists taking to the streets. But what isn’t more fun in Rome?

Share something in your local park. This is what the right to assembly is all about – knowledge pursued in public spaces.

Last, as if Rybczynski didn’t explain why our cities aren’t like Europe’s well enough – we’re still experimenting with ways to integrate bike transportation.

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One of the nice things about being an architect is that the world is your ongoing precedent research.  Tell people — including security guards — that you’re an architect, and you may be granted special access to spaces not regularly opened to the average citizen (or perhaps even forgiven a slight trespass?).

Although the forecast calls for scattered thunderstorms, architects, landscape architects, and our fellow citizens at large are all invited into the backyards of a selection of (usually fairly upmarket) private residences in the DC area this Saturday as part of the Garden Conservancy’s Garden Open Day program.

There is a modest entry fee for each garden.  We’ve gone several times over the last five years or so … Continue reading