Sentences with phrase «provided by burning fossil fuels»

In fact, cadmium telluride solar cells are currently the most ecofriendly devices, even though they use a toxic heavy metal, primarily because they require the least energy — typically provided by burning fossil fuels — to manufacture, says environmental engineer Vasilis Fthenakis, senior scientist at Brookhaven National Laboratory's National Photovoltaic Environment Research Center in Upton, N.Y., and Columbia University.

Not exact matches

Because plants take up CO2 during photosynthesis, it has long been assumed that they will provide a large carbon «sink» to help offset increases in atmospheric CO2 caused by the burning of fossil fuels.
The findings are important because the world's oceans provide one of the best records of the excess energy trapped on Earth by increased greenhouse gases, largely from the burning of fossil fuels.
Updated below, 12:51 p.m. A comprehensive and sobering Associated Press story by Dina Cappiello provides a valuable update on how United States policies promoting exports of coal are undercutting domestic efforts to restrict emissions of carbon dioxide, the heat - trapping gas released when fossil fuels are burned.
A caption below a photo of what looks like a smokestack added: «Humans have altered Earth's climate by burning coal and other fossil fuels that release carbon dioxide,» according to an image of the panel provided by the Perot Museum and by the panel's designer.
For example: burning the fossil fuels necessary to provide the additional energy used by incandescents releases more mercury into the atmosphere than is contained in even a low - quality, relatively high - mercury CFL, whereas the CFL's mercury is contained within the bulb.
Favorable energy economics are just one of solar's many benefits — including less water use, lack of requirement for a centralized grid in undeveloped regions, low cost, zero air pollution, and in providing a mitigation for the rising problem of global climate change (which is primarily driven by human fossil fuel burning).
Partly because of the dominance of the oil, gas, and coal industries, which have been providing cheap fuel by omitting the indirect costs of fossil fuel burning, relatively little has been invested in developing the earth's geothermal heat resources.
Earlier this week, documents revealed by the Guardian and New York Times provide irefutable evidence that climate denier Willie Soon and the Harvard - Smithsonian Center for Astrophyics received more than $ 1 million in funding from fossil fuel companies to deliver scientific reports that called into question the scientific conclusion that climate change is the result of burning too much oil, coal and other carbon - emitting fuel sources.
Because plants take up CO2 during photosynthesis, it has long been assumed that they will provide a large carbon «sink» to help offset increases in atmospheric CO2 caused by the burning of fossil fuels.
I've been following this topic since the mid-90's and from what I've read, I think they want to stop the burning of fossil fuels mainly in developed countries as well as put the clamps on democracy, and redistribute our wealth to developing countries for two reasons: 1) to bring down their fertility rates by development and 2) to provide reliable electric power to areas of the world without it so that the NSA can easily keep track of the rest of the world's population.
The decline of O2 / N2 provides a direct link to rising CO2 being caused by burning fossil solar fuels (as opposed to warming causing CO2 to be expelled from ocean water and clathrates).
a b c d e f g h i j k l m n o p q r s t u v w x y z