U.S. Carbon Emissions Drop 7%

In the most significant decrease since 1949, carbon emissions in the U.S. fell 7% in 2009. Sadly, part of the falloff is the result of the economic crisis.

1 minute read

May 10, 2010, 7:00 AM PDT

By Tim Halbur


On the upside, sustainable energy initiatives are actually working.

From Fast Company: "One of the biggest factors in the CO2 drop: a 4.3% drop in the carbon intensity of the energy sector due to increased use of renewables and natural gas production efficiency improvements."

Sunday, May 9, 2010 in Fast Company

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

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Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

June 18, 2025 - Diana Ionescu

Rendering of Shirley Chisholm Village four-story housing development with person biking in front.

San Francisco's School District Spent $105M To Build Affordable Housing for Teachers — And That's Just the Beginning

SFUSD joins a growing list of school districts using their land holdings to address housing affordability challenges faced by their own employees.

June 8, 2025 - Fast Company

Yellow single-seat Japanese electric vehicle drivign down road.

The Tiny, Adorable $7,000 Car Turning Japan Onto EVs

The single seat Mibot charges from a regular plug as quickly as an iPad, and is about half the price of an average EV.

June 6, 2025 - PC Magazine

SMall backyard cottage ADU in San Diego, California.

San Diego Votes to Rein in “Towering” ADUs

City council voted to limit the number of units in accessory buildings to six — after confronting backyard developments of up to 100 units behind a single family home.

June 18 - NBC San Diego

Large tower under construction with crane with American and Texas flags in downtown Austin, Texas against sunset sky.

Texas Legislature’s Surprising Pro-Housing Swing

Smaller homes on smaller lots, office to apartment conversions, and 40% less say for NIMBYs, vote state lawmakers.

June 18 - The Texas Tribune

Red brick five-story multifamily housing building in Edmonton, Alberta, Canada.

Even Edmonton Wants Single Staircase Buildings

Canada's second most affordable major city joins those angling to nix the requirement for two staircases in multi-family buildings.

June 18 - Canadian Broadcasting Corporation (CBC)