Are Shorter Showers Beside the Point?

We did the math.

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the epa estimates that if every household replaced its nine most used lightbulbs with cfls, we’d save as much in CO2 as if we eliminated 10 million cars. The bad news is, we need to cut about 17 times that much; the good news, according to a recent report by mega consulting firm McKinsey, is that we could trim the nation’s ghg footprint by almost 30 percent over the next 25 years by getting business to invest in efficient cars, appliances, and buildings as well as cleaner energy, with incentives including tax credits, subsidies, offsets, and fewer “regulatory hurdles.” The cost for the first 7 percent: about $50 billion a year, or about $50 per ton of greenhouse gases. And what about taking shorter showers? “Consumer conservation is important,” says Jon Creyts, one of the report’s principal authors, “but it was more practical for us not to factor individual choice into our methodology.” So we did the math ourselves. Below, a few samples of what individual change and bigger policy shifts can shave off our 15.6-trillion-pound total.

CULPRIT

HOW MUCH GHG? (IN LBS)**

HOW TO CUT IT

% RED.

COST

Coal burned for electric power

4.3 trillion

Replace half of our coal capacity with wind turbines.

13.8

$330 billion

Transportation

4.3 trillion

Replace 80 percent of the vehicle fleet—200 million cars—with plug-in hybrids powered by renewable electricity.

8.3

Plug-ins expected to cost at least $12K more than standard cars at first.

Poor use of carbon sinks, a.k.a. forests

880 billion

Plant new trees; reduce grazing.

5.6

$8.5 billion

Avoidable emissions of non-CO2ghgs

510 billion

Capture methane from landfills, coal mining; fix leaks in natural gas extraction.

3.3

$3 per ton

Driving to work alone

490 billion

Get each one of the 102 million people who drive to work solo to take transit.

3.1

$45.3 billion per year (up from $13 billion today) for transit improvements

Wasted heat at industrial plants

160 billion

Use “cogeneration” devices to take advantage of heat now blown out of smokestacks.

1.0

Saves $15 per ton

Phantom power for home electronics

153 billion

Unplug wall chargers or use smart power strips to cut juice when devices are off.

0.98

Smart Strips start at $30.

Inefficient industrial machinery

150 billion

Fine-tune and upgrade equipment.

0.96

$6 per ton

Junk mail

114 billion

Go to a site like 41pounds.org to get off most lists.

0.73

$8 per year

Household heating and cooling

943 billion

Dial thermostats 4 degrees up in summer, down on winter nights.

0.29

You save $61 per year.

Household hot water use

310 billion

1 minute in shower creates about ¼ lb of carbon—20.9 billion pounds saved yearly if we cut showers by 1 minute.*

0.13

You save $4 per year.

TOTAL REDUCTION: 38.19% OR 6 trillion pounds

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"It's that we're screwed with or without him if we can't show the public that what we do matters for the long term," writes Mother Jones CEO Monika Bauerlein as she kicks off our drive to raise $350,000 in donations from readers by July 17.

This is a big one for us. So, as we ask you to consider supporting our team's journalism, we thought we'd slow down and check in about where Mother Jones is and where we're going after the chaotic last several years. This comparatively slow moment is also an urgent one for Mother Jones: You can read more in "Slow News Is Good News," and if you're able to, please support our team's hard-hitting journalism and help us reach our big $350,000 goal with a donation today.

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