And will it be money well spent if the government's goal is fuel efficiency and less pollution?
Less pollution - less manure and less noise - I can't really understand it.
The economy as a whole runs more efficiently by using less oil and producing less pollution.
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The new system may be generating less pollution, but it is also generating mountains of complaints.
The result is faster travel for riders, less pollution from idling and more fuel savings for the city.
Over its lifetime, the Civic will emit less pollution than is produced by spilling a teaspoon of gasoline on the ground.
Fewer car journeys means less pollution, fewer road accidents and shorter traffic jams, all of which would be welcomed my many.
Fewer vehicles on the road means less traffic congestion and less pollution.
Local activists all over the developing world, encouraged by like-minded people in the rich world and linked by the Internet, are clamouring for less pollution.
Admittedly there is natural gas: demand for the stuff is growing more rapidly than demand for oil, in part because burning it produces less pollution.
Coal-burning power plants may get a new life and one that is tied to the co-firing of biomass, or wood chips, that may result in less pollution.
Google co-founder Sergey Brin points to other benefits, too: greater mobility for people with disabilities, more productivity for commuters now stuck in traffic, less congestion and less pollution.
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The group notes that old and new energy sources have both promise and risk for society and nature, since natural gas and wind energy produce less pollution than coal.
The company identified 17 products that met its standard of providing "significant and measurable environmental performance advantages, " including a Lexan film that replaces conventional paint, Harmony water-conserving washing machines, the new fuel-efficient GEnx jet engine and GE's Evolution locomotive, a 208-ton, 4, 400hp workhorse that burns 3% less fuel and puts out 40% less pollution than its immediate predecessor.
We're emitting less carbon pollution into the environment than we have in nearly 20 years.
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And that means fewer trips to the pump and less harmful pollution.
The solutions have potentially huge cascading effects: Obviously, a more pedestrian-friendly infrastructure leads to fewer cars and less environmental pollution, but it also creates more opportunities for physical activity and socialization and, therefore, healthier and happier populations.
The paper tells us that the value added of sewage treatment as measured at market prices is less than the costs imposed by pollution.
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Last year Monterrey, the country's industrial capital, clocked a higher reading than Mexico City on its index of particles smaller than 10 microns, a form of pollution that is no less dangerous than ozone.
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The system promises fares per head of around a third of the metered price, not to mention less noise, disruption, congestion and pollution.
The high-growth countries had less, and faster-declining, water pollution than the other two categories.
And a piece of recent research, which shows that the cost of cutting pollution often turns out to be less than forecast, supports a modest estimate.
The Environmental Protection Agency consistently ranks hazardous-waste sites as less harmful to human health than radon, outdoor particulate pollution or working exposure to pesticides.
Thus is virtue rewarded and pollution checked at an overall cost that is less than if each firm were required to meet an individual target.
But the closure of such plants has also been hastened by the availability of cheap natural gas from fracking, which makes coal less viable economically, especially when utilities must invest in pollution controls.
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Chinese authorities have said they're confident they can reduce pollution levels but athletes will still have to compete in less-than-healthy air, which can hurt performance.
The right response to that, though, would be to curb pollution and try to alter the pattern of growth to make it less resource-intensive, rather than to control population directly.
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And that means that things like wind energy suddenly become more appealing because they don't produce those pollution -- those pollutants, and other sources of energy become less appealing because they do produce those pollutants.
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