Moreover, the goals of reducing pollution and mitigating the effects of climate change sometimes conflict.
And it was true the two issues of meeting aviation demand and reducing pollution were potentially in conflict.
We are constantly innovating, figuring out new more efficient ways to remove heat from machines while reducing pollution.
FORBES: Google as a New Innovation Model (Or Not the 20% Time)
And it includes the common goals of preserving the environment and reducing pollution.
But when it comes to reducing pollution-causing emissions, electric vehicles have a lot of competition from cars powered by natural gas.
Governments are solidly behind the new vehicles, which they see as essential for bringing down carbon-dioxide emissions and reducing pollution in cities.
Citizens strongly support this programme because they understand recycling's many positive attributes, including conserving natural resources, reducing pollution and preserving disposal capacity.
One of those challenges is building on the work that we've done to control our own energy future while reducing pollution that contributes to climate change.
WHITEHOUSE: Remarks by the President in Personnel Announcements
It burns cleaner than regular gas, reducing pollution from exhaust.
Putting the bakery goods and coffee grounds through a biorefining process would also have the added benefit of keeping a lot of waste out of the waste stream while also reducing pollution from incineration.
Although the United States has made great strides in reducing pollution in recent decades, we are still the world's second largest source of greenhouse gas emissions, with emissions per capita four times higher than China's.
The environment has moved to the top of their political agenda, and they have promised increased environmental investment, set impressive targets for reducing pollution and launched grand-scale campaigns to address particularly challenging problems of environmental degradation.
European Union countries wanted to know whether Bush would return to negotiations on sealing the 1997 Kyoto pact on reducing pollution blamed for climate change, an agreement he had called "unfair to America" during his election campaign.
"What we see is a Congress who tends to think that the job of public health and environmental protection is not particularly important, that the job in some ways is done and that we don't have to worry about further reducing pollution, " says EPA Administrator Carol Browner.
It has slashed local energy demand, reducing chronic pollution and leaving more oil for export.
Reducing that pollution is costly to the manufacturers, and that eats into profits.
ATLANTA, Georgia (CNN) -- When there's talk of reducing air pollution, electric vehicles seem to get much of the attention.
And he wants to open 90% of the surrounding rivers, harbours and bays for recreation by reducing water pollution and preserving natural spaces.
ECONOMIST: Michael Bloomberg sets out a bold new vision for his city
One such project is in the sprawling Indian city of Ahmedabad, where a fleet of buses running on compressed natural gas is reducing air pollution.
"With proper regulation and enforcement, gas provides a very substantial health benefit in reducing air pollution, " compared with coal-fired power plants, said Daniel Schrag, director of Harvard University's Center for the Environment.
As it remains in the atmosphere for a matter of weeks, some researchers have suggested that cleaning up its production could be the quickest way of curbing warming, as well as bringing health benefits to poor countries by reducing air pollution.
For example, data on miles traveled, gasoline consumption, driving habits, and maintenance history can help improve fuel efficiency and save families and businesses money at the pump while reducing harmful air pollution.
We tend to think of them as alternatives to traditional car rental, but companies like Getaround see themselves as social enterprises designed to serve the greater good by reducing traffic and air pollution.
FORBES: Put the Social Before the Enterprise (Dr. Martin Luther King, Jr. Would)
The CPI also ignores the direct cost of property taxes--sure to go up as states and cities bail out underfunded pension plans--and subtracts the "hedonic" effects of regulations that increase quality of life, such as the added expense of pollution-reducing gasoline additives.
Due to costs associated with reducing sulfur emissions resulting from stricter pollution regulations, subbituminous coal is actually more economical for energy generation.
But now the Australian government's aim will be to cut 159m tonnes of carbon pollution by 2020, reducing emissions by 5% below 2000 levels.
BBC: Australia plans to impose carbon tax on worst polluters
The majority of the pollution is caused by vehicles on the road and experts say reducing traffic in the cities is the best way of improving air quality.
Nanotech also allows for "green manufacturing"--manufacturing processes that can take place at ordinary temperatures, reducing energy costs, while the use of non-toxic catalysts minimize pollution and bottom-up construction leaves no wasted material behind.
They are encouraging drillers to use tainted coal mine water to hydraulically fracture gas wells in the Marcellus Shale formation, with the twin goals of diverting pollution from streams and rivers that now run orange with mine drainage and reducing the drillers' reliance on fresh sources of water.
应用推荐