Sentences with phrase «source of lead emissions»

Aviation fuel is the largest source of lead emissions, and Friends of the Earth is calling on the EPA to get it under

Not exact matches

A similarly sad fact is: organic waste in the U.S. is a leading source of methane emissions.

We are instead pressing ahead unilaterally with terrible policies: draining the budgets of families and businesses with excessive green taxes; picking losers by giving the most generous subsidies to the most expensive sources of low carbon energy; and recreating the volatility of the housing market with an emissions trading scheme where the supply of allowances is fixed, so fluctuations in demand lead to wild swings in the price.

«I think states recognize transportation emissions are a leading source of emissions that need to be tackled,» said Luke Tonachel, director of the clean vehicles and fuels project at the Natural Resources Defense Council.

«We now have an independent measurement of these emission sources that does not rely on what was known or thought known,» said Chris McLinden, an atmospheric scientist with Environment and Climate Change Canada in Toronto and lead author of the study published this week in Nature Geosciences.

Coal is the globe's leading source of greenhouse gas emissions driving climate change.

Twenty years ago those activities contributed similar amounts of heavy - metal pollution but have since drastically cleaned up their acts, leaving power plants as the leading manmade source, by far, of mercury emissions in this country.

This stability in methane levels had led scientists to believe that emissions of the gas from natural sources like livestock and wetlands, as well as from human activities like coal and gas production, were balanced by the rate of destruction of methane in the atmosphere.

Another surprise was that the rise in methane levels happened simultaneously around the globe instead of being centred near known sources of methane emissions in the northern hemisphere, said Rigby, one of the study's lead authors along with Ronald Prinn, also of MIT.

According to one of its lead authors, the report will say that to limit global warming to 2 °C, we must keep CO2 emissions from all human sources since the start of the Industrial Revolution to below about a trillion tonnes of carbon.

«Every tonne of greenhouse gas that we emit leads to additional emissions from natural sources such as methane bubbles,» says Kosten.

«Hydrogen gas has immense potential as a source of sustainable fuel, because it generates no carbon emissions,» said Lawrence Livermore lead author Brandon Wood.

Our research suggests that without a shift in technology then refineries, steel and cement industries alone are going to be the source of up to a quarter of the emissions in 2050,» says professor Filip Johnsson who has been leading the Chalmers research.

Lead UK researcher Prof Dabo Guan, of UEA's School of International Development, said the key contributor to the new estimates was fuel quality, which for the first time was taken into consideration in establishing emission inventories — something the Intergovernmental Panel on Climate Change (IPCC) and most international data sources had not.

«The removal of phase matching in nonlinear optical metamaterials may lead to applications such as efficient multidirectional light emissions for novel light sources and the generation of entangled photons for quantum networking.»

Lower rates of asthma and other health problems are frequently cited as benefits of policies aimed at cutting carbon emissions from sources like power plants and vehicles, because these policies also lead to reductions in other harmful types of air pollution.

In Boston, methane emissions from aging pipes and other sources may be more than double official state estimates for the city, according to a study published Thursday in the Proceedings of the National Academy of Sciences, which was led by a team of researchers and scientists at Harvard University.

The jist of this is that we must NOT suddenly switch off carbon / sulphur producing industries over the planet but instead we must first dramatically reduce CO2 emissions from every conceivable source, then gradually tackle coal / fossil fuel sources to smoothly remove the soot from the air to prevent a sudden leap in average global temps which if it is indeed 2.75 C as the UNEP predicts will permanently destroy the climates ability to regulate itself and lead to catastrophic changes on the land and sea.

Professor Rob Lamb of the JBA Trust and Lancaster University said: «Each of these steps reflects different sources of uncertainty, but we find overall that there is a substantial chance of more properties having been placed at flood risk because of past greenhouse gas emissions, leading to potential damages that could be part of the losses incurred in 2013/14.»

Coal - fired power plants are the nation's top source of carbon dioxide emissions - a leading culprit in climate change.

One source of contamination of the finished products is tentatively attributed to atmospheric emissions of leaded gasoline, which is still being used in Nigeria»

However, other independent analyses have, based on a range of assumptions, methodologies and data sources, attempted to estimate the impact of the INDCs on temperature leading to a range of average estimates below, at or above 3 degrees C. Importantly all deliver more or less similar emission levels in 2025 and 2030 and all confirm that the INDCs, if fully implemented, are an important advance on previous scenarios.

According to the Environmental Protection Agency, transportation is the second leading source of greenhouse gas emissions in the United States, just behind electricity.

Human emissions are the majority source of warming in this current climate change and that continued use of fossil fuels will lead to catastrophic change too quickly for us to adapt to.

The oil sands are still a tiny part of the world's carbon problem — they account for less than a tenth of one percent of global CO2 emissions — but to many environmentalists they are the thin end of the wedge, the first step along a path that could lead to other, even dirtier sources of oil: producing it from oil shale or coal.

Since 32 % of electricity in the USA is generated with non-carbon sources, a 50 % reduction in demand would lead to a 74 % drop in carbon emissions.

The simple math of carbon dioxide emissions inevitably leads to the conclusion that if carbon dioxide concentrations are to be stabilized then the world will need to get 90 % + of its energy consumption from carbon - free sources.

Furthermore, let me come back to the pathway as the source of cumulative emissions — energy mix, efficiency, technology finance, population, etc. etc., we believe this is the deeper driver to lead to the landscape of cumulative emissions.

Steelmaking is energy intensive and one of the world's leading industrial sources of greenhouse gases, generating nearly two tonnes of CO2 emissions per tonne of steel produced and accounting for about five per cent of total GHG emissions.

The only viable source of energy that would lead us to practically zero emission is sustainable forestry.

Key Issues for Discussion and Comment in the ANPR: Descriptions of key provisions and programs in the CAA, and advantages and disadvantages of regulating GHGs under those provisions; How a decision to regulate GHG emissions under one section of the CAA could or would lead to regulation of GHG emissions under other sections of the Act, including sections establishing permitting requirements for major stationary sources of air pollutants; Issues relevant for Congress to consider for possible future climate legislation and the potential for overlap between future legislation and regulation under the existing CAA; and, scientific information relevant to, and the issues raised by, an endangerment analysis.

This team, led by Jose Marengo of the Brazilian National Institute for Space Research (INPE), assesses the local impacts of the global SRES A1B emissions scenario, an old IPCC scenario for (A1) a world with rapid economic growth, decreasing population after 2050 and rapid implementation of efficient technologies with (B) a «balanced mix of energy sources».

It is highly likely that human CO2 emissions were the leading cause of the overall CO2 rise as there are not other sources that we have identified as having increased their CO2 emissions in the amounts required to make the overall rise.

The combination of low cost and zero emissions makes wind energy a leading source of permanent, large - scale and affordable greenhouse gas reductions.

Segal and others representing the industry side suggest that regulation through this system will inevitably lead to regulation of every emission source imaginable.

This technical document provides the following information: - An update of global greenhouse gas emission estimates, based on a number of different authoritative scientific sources; - An overview of national emission levels, both current (2010) and projected (2020) consistent with current pledges and other commitments; - An estimate of the level of global emissions consistent with the two degree target in 2020, 2030 and 2050; - An update of the assessment of the «emissions gap» for 2020; - A review of selected examples of the rapid progress being made in different parts of the world to implement policies already leading to substantial emission reductions and how they can be scaled up and replicated in other countries, with the view to bridging the emissions gap.

Also note that human induced warming probably will trigger natural C02 / methane emissions leading to further warming so anthropogenic source will probably play a decreasing role in the amount of C02 in the atmosphere as the planet moves to a new equilibrium point.

The decision to phase out nuclear energy, therefore, means not only replacing an important source of electricity, but also doing so in a way that does not lead to increased greenhouse gas emissions.

An increase of either temperature or soil moisture leads to increased emissions of CO2 from most natural sources.

Emissions of carbon dioxide from electricity generation, which is a leading source of that greenhouse gas, have fallen to near - 30 year lows.

Thousands of years ago, during the height of the ancient Greek and Roman empires, lead emissions from sources such as the mining and smelting of lead - silver ores in Europe drifted with the winds over the ocean to Greenland — a distance of more than 2800 miles (4600 km)- and settled onto the ice.

Transportation is one of Canada's leading sources of greenhouse gas emissions.

Tropical deforestation and disturbance are a leading source of global greenhouse gas emissions, contributing about the same share as the transportation sector.

«Fossil fuel - based electricity generation is a leading source of carbon dioxide and emissions that contribute to poor air quality.

Expansion plans for the aviation industry could lead to emissions from this source tripling by 2040, said Annie Petsonk of the Environmental Defense Fund.

In 2010, unlike other recent years, CO2 emissions from all industrial fuel sources increased by 7.8 % as the economy recovered from the recession that led to the large emissions declines of 2009.

In August this year, the Environmental Protection Agency (EPA) proposed the first - ever rule of directly limiting methane emissions from the oil and gas industry, its leading sources.

In Mass. v. EPA, the Court based its decision partly on the view that an endangerment finding would not lead to «extreme measures,» such as an outright ban on motor vehicle greenhouse gas emissions.76 However, requiring tens of thousands of small sources to obtain PSD permits and 6.1 million to obtain Title V permits annually would be an extreme case.

The energy system is both a source of emissions that lead to global warming and it can also be directly affected by climate change: through changes in our energy consumption patterns, potential shutdowns of offshore oil and gas production, changing ice and snow conditions in the oil production regions of Alaska, changing sea ice conditions in the Arctic Ocean and the implications for shipping routes, and impacts of sea - level rise on coasts, where so much of our energy facility infrastructure is located.

Our basic activities (cooking our food, heating our homes) lead to tens of thousands of pounds of carbon - dioxide emissions per household every year, but many of us can not currently opt to buy renewable energy from our utility, because such energy sources are limited.