A Sampling of Carl's Writings
Recent Columns
Exhibit One: The case for Earth Day ideals every day
Generations of One: a challenge for young people
Let's bring back the reusable grocery bag
Goodbye incandescents - hello efficiency
Toward more sustainable cities, part two
Toward more sustainable cities, part one
The delicate web of biodiversity
Turning tidal current into electrical current
Poor health for the planet means poor health for us
Pipeline of prosperity or pipeline of poison?
Six critical skills for the future
Field notes from the front lines
A much better way to do laundry
Keeping our tummies full in a warming world
For Earth Day, lessons from a fable
So... what's your carbon footprint?
The coming smart grid, part three: the future
The coming smart grid, part two: smart meters, policies and consumers
The coming smart grid, part one: load shifting
Six places we should all visit: part two
Six places we should all visit: part one
2013, a year for radical awakenings
Making life in the carpool lane work
Toward a greener, less stressful Christmas
"You can pay me now or pay me later"
Green power: within easy reach for anyone
Geoengineering, a roll of the climate dice
The Bad, The Ugly - and The Good
Getting off fossil fuels in three simple steps
Food security in your backyard
Ahem... just the truth please, Senator
Heartlandgate: when the tables are turned
Lessons from a tale of two napkins
Cold, distant - and threatened
Bringing out our collective best
Measure, Then Manage, Your Power Usage
User-pay Garbage Makes Polluters Pay
Warming the Planet to Keep Myself Cool
Archived Columns
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Email Carl Duivenvoorden at: 
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Carl's enthusiasm, energy and highly entertaining sense of humor make the audience receptive to his messages. He is a model of excellence.
