Sentences with phrase «now on carbon dioxide emissions»

Not exact matches

While U.S. power plants have limits on other air - born pollutants — like nitrogen and sulfur oxides that cause acid rain — there haven't been limits, until now, on the levels of carbon dioxide emissions that power plants can emit.

But the impact these gases have on the climate has until now not been as widely studied as the effects of carbon dioxide emissions.

For example, it is now straight - forward to calculate that the carbon dioxide emissions for each seat on a return flight from, say, London to San Francisco causes about five square metres of Arctic sea ice to disappear.»

If we embark on a path that is equivalent to setting emissions to zero now (say by having a period of negative emissions in the 2035 to 2050 time frame), and call the sequestration we accomplish mitigation then mitigation can arrest climate change, make adaptation unneeded and bring us to a safe concentration of carbon dioxide in the atmosphere as Hansen has pointed out.

Where would carbon dioxide emissions be if everyone on Earth was using fossil fuels at the same pace, per capita, as the United States is now?

Particularly given how Supreme Court machinations now potentially imperil the president's Clean Power Plan cutting power plant carbon dioxide emissions, it's more important than ever for the administration to «push on what the President put his his Climate Action Plan in 2013.»

I have yet to see a serious challenge to the math on this done by Vaclav Smil of the University of Manitoba, who has noted that handling just 10 percent of today's carbon dioxide emissions would require more pipelines and other equipment than is now used worldwide to extract oil — a precious commodity — from the ground.

His critics show few signs of ever accommodating the ideas he now presses, which include a prompt moratorium on new coal - burning power plants until they can capture and store carbon dioxide and a rising tax on fuels contributing greenhouse - gas emissions, with the revenue passed back directly to citizens, avoiding the complexities of «cap and trade» bills.

Here's the keystone line from one of a series of papers on this energy gap by Hoffert et al (Science, 2002), John Holdren (pdf), and others: «Mid-century primary power requirements that are free of carbon dioxide emissions could be several times what we now derive from fossil fuels (~ 10 [to the 13th power] watts), even with improvements in energy efficiency.»

O'Rourke always hated the bike (in print, at least), and now that it's becoming more of a needed transportation mainstay on crowded American city streets, reducing pollution and carbon dioxide emissions and improving health, O'Rourke is airing his feelings once again.

I've written off and on about how the divide in the United States over how quickly to curb carbon dioxide emissions has little to do with the now familiar red state versus blue state dynamic, and is more about which regions have grids and economies most wedded to coal and oil, and which don't.

With nuclear providing always - on electricity that will become more cost - effective if a price is placed on heat - trapping carbon dioxide emissions, utilities have found it is now viable to replace turbines or lids that have been worn down by radiation exposure or wear.

Right now, the D.C. City Council is considering introducing a price on carbon that would significantly drive down carbon dioxide emissions in our city — while giving revenue directly back to District residents.

In a story published on the WSU website and now getting wide distribution Deemer said she measured dissolved gases in the water column of Lacamas Lake in Clark County and found that methane emissions — a substance 25 times more effective than carbon dioxide at trapping heat in the atmosphere — jumped 20-fold when the water level was drawn down.

An influential expert on global warming who for nearly 20 years has pressed countries to cut emissions of carbon dioxide and other heat - trapping gases now says the emphasis on carbon dioxide may be misplaced.

For a preview of what this could mean to American families, one can look to Germany, where due to restrictions on carbon dioxide emissions, electricity costs three - times more than in the US and gasoline is now $ 8.00 per gallon.

Up until now, 29 per cent of human emissions of carbon dioxide has been taken up by the oceans, 28 per cent has been absorbed by plant growth on land, and the remaining 43 per cent has accumulated in the atmosphere.

However, if carbon emissions go on growing at 2 % a year (and during this century, they have grown faster), then those who are children now would have to commit to a costly technological answer based on the belief that carbon dioxide can be captured, compressed and stored deep underground.

If we embark on a path that is equivalent to setting emissions to zero now (say by having a period of negative emissions in the 2035 to 2050 time frame), and call the sequestration we accomplish mitigation then mitigation can arrest climate change, make adaptation unneeded and bring us to a safe concentration of carbon dioxide in the atmosphere as Hansen has pointed out.

«For example, it is now straight - forward to calculate that the carbon dioxide emissions for each seat on a return flight from, say, London to San Francisco causes about five square metres of Arctic sea ice to disappear.»

The failure to actually reduce global emissions has meant that all possibilities are now on the table, including some that sound like premises from a science - fiction novel: Humans could sequester carbon dioxide by removing it from the air through technologies that mimic trees, or we could spray water droplets in the lower atmosphere to reflect light and heat back to space, or we could seed sulfur aerosols in the stratosphere to do the same.