Sentences with phrase «caused emissions of carbon dioxide»

They have told the public, politicians, and the press that «global warming» (alias «climate change») is primarily due to human - caused emissions of carbon dioxide, and that if this continues at current levels that this will result in catastrophic global warming.

How much hotter will human - caused emissions of carbon dioxide make the planet this century?

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.

Rick Perry, the U.S. Secretary of Energy who infamously once said he would do away with the Department of Energy, told CNBC that he didn't believe that carbon dioxide emissions from humans are the main cause for climate change.

In a 1968 report prepared for API in New York City, SRI scientists Elmer Robinson and R.C. Robbins acknowledged some uncertainty concerning the relation between carbon emissions and rising temperatures, yet said carbon dioxide was the most likely cause of the «greenhouse effect.»

Add a few more centuries of similar emissions, and carbon dioxide levels rise to those not seen in 420 million years, causing unprecedented sea level rise.

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 request also calls for cuts in international climate programs such as SilvaCarbon, a forest assistance program supported by the U.S. Geological Survey and the U.S. Forest Service, and they are all links in a chain that is working toward providing effective measures of human - caused carbon dioxide emissions.

Tailpipe exhaust accounts for some 20 percent of the world's emissions of carbon dioxide; an economic recovery could easily cause the return of $ 140 - a-barrel oil.

A rather straightforward calculation showed that doubling the level of carbon dioxide in the atmosphere... which would arrive in the late 21st century if no steps were taken to curb emissions... should raise the temperature of the surface roughly one degree C. However, a warmer atmosphere would hold more water vapor, which ought to cause another degree or so of warming.

«Poultry and pork cause rather low emissions, in a range equivalent to 10 to 30 kilos of carbon dioxide per kilo of protein, while beef cause 200 kilos per kilo protein.

The team discovered that the human impact on biogenic methane and nitrous oxide emissions far outweighed the human impact on the terrestrial uptake of carbon dioxide, meaning that humans have caused the terrestrial biosphere to further contribute to warming.

Volcanic rocks deep beneath the sea off the coast of California, Oregon and Washington State might prove one of the best places to store the carbon dioxide emissions that are causing global warming, a new study finds.

Critics argue that albedo modification and other «geoengineering» schemes are risky and would discourage nations from trying to reduce their emissions of carbon dioxide, the heat - trapping gas that comes from the burning of fossil fuels and that is causing global warming by absorbing increasing amounts of energy from sunlight.

Fossil fuel - based electricity production is responsible for about 38 percent of U.S. carbon dioxide emissions — CO2 pollution being the major cause of global climate change.

Given those findings and the rest of the improved understanding of the climate system, the IPCC projects that if carbon dioxide gas emissions — the primary cause of warming — continue to grow at the recent rate, the world would warm 2oC above 19th - century levels by the middle of this century.

Warming and deoxygenation are also caused by rising carbon dioxide emissions, underlining the importance of reducing fossil fuel emissions.

As early as 1965, when Al Gore was a freshman in college, a panel of distinguished environmental scientists warned President Lyndon B. Johnson that carbon dioxide (CO2) emissions from fossil fuels might cause «marked changes in climate» that «could be deleterious.»

Altogether, human - caused emissions this year are projected to reach 41 billion tons of carbon dioxide.

An international team of 27 oceanographers churned through 13 global models and concluded that carbon dioxide emissions could cause pH levels in the ocean to drop from an average of 8.1 today to 7.7 by the end of the century.

Since the 17th century, the seas have absorbed about a third of human - caused carbon dioxide emissions.

Around 15 % of the global carbon dioxide emissions that cause climate change come from deforestation, and much of that occurs in the Amazon.

Nearly 15 % of the global carbon dioxide emissions that cause climate change come from deforestation, much of which occurs in the Brazilian Amazon.

Frederike Böhm Department of Philosophy, Kiel University I like to follow the concept «reduce — reuse — recycle» when it comes to consumption: borrowing, sharing or buying second - hand are often good alternatives to purchasing new things, the production of which causes additional carbon dioxide emissions and use resources.

Pierrehumbert said Howarth uses the figure for methane's 20 - year global warming potential — 86 times that of carbon dioxide — without seriously discussing the magnitude of warming caused by those methane emissions compared to warming prevented by the reduction in carbon dioxide emissions.

If human - caused climate change is to be slowed enough to avert the worst consequences of global warming, carbon dioxide emissions from coal - fired power plants and other pollutants will have to be captured and injected deep into the ground to prevent them from being released into the atmosphere.

The study concluded that human emissions of carbon dioxide (CO2) cause dangerous global warming.

published report, Hayward stated that holding the US back from fulfilling it's petroleum - based product requirements is «a reluctance to develop the nation's massive natural resources under the mistaken belief in the unproven science that claims carbon dioxide (CO2) emissions from burning of fossil fuels is the major cause of recent and future warming of the Earth.

But the annual amount of human - caused global emissions of carbon dioxide, the main greenhouse gas driving climate change, is now about 50 percent larger than in 1992.

But emissions have two parts: One is the pollutants that are harmful to people, animals, oceans, etcetera; the other is CO2 (carbon dioxide) emissions that are generally considered to be the cause of global warming, which is generally considered to be fact, and that CO2 is produced in direct proportion to how much fossil fuel is burned in cars, as well as buildings, locomotives, planes, and ships.

And their accelerating loss — from logging, farming, mining and burning — is a major cause of climate change, accounting for one - fifth of all carbon - dioxide emissions.

The elements that I believe are key to a successful agreement in Copenhagen include: • Strong targets and timetables from industrialized countries and differentiated but binding commitments from developing countries that put the entire world under a system with one commitment: to reduce emissions of carbon dioxide and other global warming pollutants that cause the climate crisis; • The inclusion of deforestation, which alone accounts for twenty percent of the emissions that cause global warming; • The addition of sinks including those from soils, principally from farmlands and grazing lands with appropriate methodologies and accounting.

As for the ethics of all of this, Donald A. Brown of Pennsylvania State University argues that the world's top emitters of greenhouse gases are morally obligated to curb carbon dioxide and similar emissions based on the level of certainty that is already established on the impacts of those emissions — most of which will be in poorer places with small contributions to the human - caused gas buildup in the atmosphere.

The influence of the Sun on the Earth is seen increasingly as one cause of the observed global warming since 1900, along with the emission of the greenhouse gas, carbon dioxide, from the combustion of coal, gas, and oil.

The «habitat loss» that is killing primates is mostly from tropical deforestation, which also causes 20 percent of the total carbon dioxide emissions contributing to climate change.

J.E.N. Veron, former chief scientist of the Australian Institute of Marine Science, writes that human pollution of the water, as well as human - generated carbon dioxide emissions which are causing ocean acidification and rising ocean temperatures are rapidly killing off corals.

«The primary cause of both trends is emissions of carbon dioxide and other greenhouse gases from industry, transport and other human activities.

HERE is a line of empirical evidence: (human / industry CO2 emissions are causing global warming) * Climate Myth The Skeptic - Denier position: There's no empirical evidence «There is no actual evidence that carbon dioxide emissions are causing global warming.

We can not avoid some level of warming caused by the heat - trapping emissions already present in the atmosphere, some of which (such as carbon dioxide and nitrous oxide) last for 100 years or more.

9/19/16 — Taxing carbon released from burning fossil fuels could be a key part of a comprehensive effort to reduce emissions of carbon dioxide, a major contributor to human - caused climate change, two economists have argued in Issues.

The ocean uptake of excess atmospheric carbon dioxide, the excess above preindustrial levels driven by human emissions, causes well - understood and substantial changes in seawater chemistry that can affect marine organisms and ecosystems.

When scientists warn that emissions of carbon dioxide and other greenhouse gases (GHGs) may cause a global warming of 1.5 - 4.5 C over the next 100 years, one possible reaction is: «So what?

According to the Environmental Protection Agency, fossil fuels are lethal for environmental ecosystems (in addition to causing massive landslides, oil spills, underground tar leaks, and all of that good stuff) and produce extremely lethal toxic air emissions, including methane, carbon dioxide, and nitrogen oxide.

SciDev.Net: LIMA - Rising levels of carbon dioxide (CO2) in the atmosphere caused by human - driven emissions might lead to larger sweet potatoes, a staple food for many African and Asian countries, research reveals.

If our emissions of carbon dioxide are causing the world to warm and lead into possibly difficult times in the future, it is important also to establish the upsides of such emission.

Called the social cost of carbon (SCC), it is an estimate of the economic value of the extra (or marginal) impact caused by the emission of one more tonne of carbon (in the form of carbon dioxide) at any point in time; it can, as well, be interpreted as the marginal benefit of reducing carbon emissions by one tonne.

These facts help explain why, in spite of the Earth's air temperature increasing to a level that the IPCC claims is unprecedented in the the past millennium or more, a recent study by Randall et al. (2013) found that the 14 % extra carbon dioxide fertilization caused by human emissions between 1982 and 2010 caused an average worldwide increase in vegetation foliage by 11 % after adjusting the data for precipitation effects.

If emissions of carbon dioxide, nitrous oxide, and methane are all allowed to accelerate to 2050, they could cause three feet of sea - level rise by 2900 through thermal expansion alone.

It holds that countries that historically caused the recent atmospheric carbon dioxide build - up must lead in cutting their emissions, while helping developing countries eventually do likewise, by pouring trillions of dollars in cash and free technology into the Green Climate Fund for supposed climate change adaptation, mitigation and compensation.

In theory, the SCC measures the worldwide economic damage caused by the emission of a ton of carbon dioxide (CO2).