Sentences with phrase «black carbon emissions»

This technical document studies black carbon emissions from the international commercial shipping industry.

About 20 percent of black carbon emissions come from biomass burning sourced from activities like cooking.

We have cleaner fuels and the know - how to reduce black carbon emissions right now, and we shouldn't delay.

This result suggests that cutting black carbon emissions could go a long way to slowing climate change.

Global black carbon emissions have stopped rising, thanks in part to the adoption of energy - efficient technologies.

Now a study shows that in addition to providing significant benefits for the climate, this project is also reducing health risks associated with black carbon emissions.

It also releases significant black carbon emissions, he said.

But this outcome is not a given and depends on a variety of factors that can impact black carbon emissions such as engine design, fuel composition and geographic location.

The study points out a further complication: As with other contributors to climate change, reducing black carbon emissions involves political and economic issues that are just as complex as the science.

This document is meant to provide guidance to the logistics sector for the voluntary measurement and reporting of black carbon emissions.

Because of black carbon's short residency in the atmosphere, reducing black carbon emissions is considered a short - term strategy for mitigating global climate change.

Modern cookstoves emit less greenhouse gases and also reduce fuel use by 30 - 60 % and black carbon emissions by 50 - 90 %.

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

Soot - free engine technologies are those that achieve at least a 99 % reduction in tailpipe black carbon emissions compared to uncontrolled diesel exhaust.

The Arctic Athabaskan Council has filed a petition to the Inter-American Commission on Human Rights declaring that Canada's failure to adequately regulate black carbon emissions is infringing on the rights of indigenous people.

Clean technology for small - scale burning of firewood could drastically decrease black carbon emissions, as would forest fire prevention and stricter limits on oil and gas flaring.

The distinction is crucial given the popular perception that curbing black carbon emissions can «buy us time» to reduce carbon dioxide emissions.

Global air quality and health co-benefits of mitigating near - term climate change through methane and black carbon emission controls.

While cutting carbon dioxide is the only way to halt warming over the long term, experts said, earlier research has come to similar conclusions about the short - term advantages of limiting black carbon emissions.

They include a paper Shindell published last year in Nature that found a one - two punch of decreasing sulfate emissions — which help scatter light from the sun, cooling Earth — and increasing black carbon emissions — which have the opposite effect — has «substantially contributed to rapid Arctic warming during the past three decades.»

Naomi Zimmerman and colleagues analyzed four scenarios based on reported black carbon emissions from both traditional port fuel injection engines and newer gasoline direct injection (GDI) engines.

A 2013 study in the journal Atmospheric Chemistry and Physics found that that gas flaring contributes less than 3 percent of global black carbon emissions globally, but flaring in the Arctic contributes 42 percent of black carbon found on the ground.

«Domestically we have made great progress in reducing black carbon emissions though low sulfur diesel fuel and retrofit programs,» Sen. Inhofe said.

This bipartisan bill directs the EPA to do a four - phase study that 1) develops a universal definition of black carbon; 2) identifies global black carbon sources and reduction technologies; 3) identifies current and possible international funding opportunities to mitigate black carbon emissions; and 4) identifies opportunities for future research and development.

The Action Plan encompasses an evolving set of actions aimed at engaging stakeholders in support of three main objectives: aligning and enhancing existing green freight efforts; developing new green freight programs; and incorporating measures to control black carbon emissions into green freight programs.

Global marine black carbon emissions inventories and baseline air emissions inventories produced for major ports in Indonesia, Ghana, Bangladesh, Kenya and Chile

The report summarizes work regarding the measurement of black carbon emission rate, flare gas flow rate, black carbon yield, and solid - phase flare efficiency under the research agreement from the...

It quantifies black carbon emissions, providing improved understanding of the relative importance of different emissions sources.

This balance probably is not affected by the omission of black carbon emissions because they increase little between 1940 and 1970 relative to increases during other decades of the 1850 — 2000 period for which data are available (10).

Trading - off black carbon emission reductions for CO2, NASA's Nadine Unger has cautioned, «might divert attention from the critical need for the reduction of long - lived gases.»

«There are also other important measures to reduce methane emissions from coal mining, municipal waste treatment and gas distribution, for example, as well as black carbon emission reductions through elimination of high - emitting vehicles, use of cleaner biomass cooking and heating stoves, replacement of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.

Testifying to the House Oversight and Government Reform Committee in 2007, Ramanathan said of cutting black carbon emissions that «at best, it is a short - term measure to probably buy a decade or two, time for implementing CO2 emission reduction strategies.»

Technologies exist to rapidly reduce black carbon emissions from diesel and coal sources, and fast - track mitigation efforts will have an immediate cooling effect.

The cores support the hypothesis that black soot amounts in the Himalayan glaciers correlate with black carbon emissions in Europe and South Asia.

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.