Sentences with phrase «by carbon dioxide before»

In an interview with Time Magazine last week, Pruitt said he planned to model his red - team, blue - team debate on Cold War - era discussions of the Soviet nuclear threat and suggested that he believed his agency did not «engage in a robust, meaningful discussion» about the threat posed by carbon dioxide before adopting the endangerment finding.

Not exact matches

Studies indicate carbon dioxide emissions from transportation in the province have declined 16 % in that time, and while it's impossible to draw a direct causal relationship between the tax and the emissions decline, it's fair to say it was a factor contributing to indisputable behavioural changes — you can't emit 16 % less CO2 by doing the same things you did before.

Clea Kolster, lead author and PhD student with the Grantham Institute at Imperial, said: «Revenue from oil does make the deployment of CCS far more attractive in the near term by providing the majority of capital in early years before carbon dioxide tax incentives have increased sufficiently to overtake oil revenue.

Add to that the aim of reducing the country's carbon dioxide emissions by 80 per cent from 1990 levels before 2050, and an economy emerging from its longest recession since the second world war, and it is easy to see why political debates about the...

Researchers made the discovery by growing today's teosinte in 20.1 °C to 22.5 °C greenhouses with 40 % to 50 % less carbon dioxide in the air — conditions more like those 14,000 years ago, before the plant was first domesticated.

UMass Amherst microbiologists discovered that Methanosaeta have the ability to reduce carbon dioxide to methane by a remarkable mechanism in which they make electrical connections with other microorganisms, something methanogens have never been known to do before.

Just before this period, some anaerobes mutated to become «aerobic» purple bacteria (proteobacteria) that metabolize molecular oxygen and substances produced by life such as carbohydrates into carbon dioxide and water.

Knisely projected that unless fossil fuel use was constrained, there would be «noticeable temperature changes» and 400 parts per million of carbon dioxide (CO2) in the air by 2010, up from about 280 ppm before the Industrial Revolution.

By the year 2100, if we continue to add the same amount of carbon dioxide into the atmosphere that we are adding now, the oceans will be more than twice as acidic as they were before the Industrial Revolution.

By the year 2100, if people are still adding the same amount of carbon dioxide into the air that they are adding now, the oceans will be more than twice as acidic as they were before the Industrial Revolution.

This process can be inefficient, however, since the gaseous carbon dioxide tends to bubble out of solution and into the atmosphere above the algal cultivation system before it is consumed by the algae.

However, you do lose the carbon dioxide since it's released by the vinegar before you consume it.

[UPDATED 6/23, 9:30 a.m.] Twenty years ago today, James E. Hansen testified before the Senate Energy Committee — in a room kept intentionally warm by committee staff — that the atmospheric buildup of carbon dioxide and other greenhouse gases from burning fossil fuels and forests was already perceptibly influencing Earth's climate.

This is as uncontroversial as saying the sky is blue, in the sense that the atmosphere's behavior is implicitly shaped differently than it was before the industrial revolution raised the concentration of carbon dioxide by more than a third.

A doubling of concentrations from the long - term ceiling of 280 parts per million for carbon dioxide before the industrial revolution would most likely raise global temperatures 3.6 to 8.1 degrees Fahrenheit, by the latest I.P.C.C. analysis.

This process can be inefficient, however, since the gaseous carbon dioxide tends to bubble out of solution and into the atmosphere above the algal cultivation system before it is consumed by the algae.

Just hours before, a U.S. judge also issued a landmark ruling in a climate change case brought by eight youth, ruling that State of Washington must reconsider the youth's proposed rule on carbon dioxide emissions.

True, we influence climate, by returning to the air some of the carbon dioxide that was there before.

Tim Ball was a student of H.H. Lamb, who pioneered the modern study of climate change before it was taken over by those promoting dangerous global warming caused by carbon dioxide (CO2).

Easterbrook's predictions were «right on the money» seven years before Al Gore and the United Nation's Intergovernmental Panel on Climate Change (IPCC) shared the 2007 Nobel Peace Prize for warning that the Earth was facing catastrophic warming caused by rising levels of carbon dioxide, which Gore called a «planetary emergency.»

A potentially game - changing breakthrough in artificial photosynthesis has been achieved with the development of a system that can capture carbon dioxide emissions before they are vented into the atmosphere and then, powered by solar energy, convert that carbon dioxide into valuable chemical products, including biodegradable plastics, pharmaceutical drugs and even liquid fuels.

«This process is responsible for reducing carbon dioxide by about 200 parts per million,» before fossil - fuel burning started, Lampitt said.

Abbott's argument was the same one he used last week, when he suggested that because bushfires happened before humans raised carbon dioxide levels in the atmosphere by 40 %, we shouldn't think this could have anything to do with bushfires happening now.

The good news is that it can be done with existing technology, by cutting energy waste, expanding the use of renewable sources, growing trees and crops (which remove carbon dioxide from the air) to turn into fuel, capturing the gas before it is released from power stations, and - maybe - using more nuclear energy.

Measurements from Antarctic ice cores show that for about 10,000 years before the Industrial Revolution the concentration of carbon dioxide in the atmosphere was about 280 parts per million (ppm) by volume.

Ocean acidification will severely impair coral reef growth before the end of the century if carbon dioxide emissions continue unchecked, according to new research on Australia's Great Barrier Reef led by Carnegie's Ken Caldeira and the California Academy of Sciences» Rebecca Albright.

One of the concepts I discuss in my talks is the carbon budget, or the remaining carbon dioxide humanity can emit before very dangerous warming occurs by the year 2100.

But if you add carbon capture technology, this facility can catch all the carbon dioxide stored by the plants before it escapes back into the air.

Garr said the group is supporting new legislation before the U.S. House and Senate that calls for a 15 percent reduction in carbon dioxide emissions by 2020 and an 80 percent reduction by 2050.

Before stating them, I point out that some people are trying to assess how carbon dioxide moves in and out of the atmosphere — which is a small part of the carbon cycle — by assuming the carbon dioxide content of that small part is not dominated by the variations in flows in and out of it from the much, much bigger other parts.

Never before has a US president attempted to regulate carbon dioxide emissions from power stations and the move has been hailed by scientists and policymakers as an important step towards a global economy [continue reading...]