Sentences with phrase «overall emissions of carbon dioxide»

Not exact matches

Despite the rise in carbon dioxide emissions, the main «basket» of greenhouse gases are down overall, with the «big six» 15 per cent below the base year.

But Suh's analysis finds that the service sector, which accounts for more than 60 percent of the U.S. gross domestic product, pumps out 37.6 percent of overall greenhouse gas emissions in the country, or nearly 1.7 billion tons of carbon dioxide equivalent.

Based on a unique model that links China's energy system and economy, the study finds that China's coal use, a major source of global carbon dioxide (CO2) emissions, should peak some time around the year 2020, while the country's overall CO2 emissions would peak around 2030, or perhaps sooner.

While overall emissions of greenhouse gases from CDP's «Global 500» have shrunk from 4.2 billion to 3.6 billion metric tons of carbon dioxide equivalent since 2009, the index's 50 largest - emitting firms have actually seen greenhouse gas emissions rise by 1.65 percent over the same period, the organization has found.

Even the 350 - ppm limit for carbon dioxide is «questionable,» says physicist Myles Allen of the Climate Dynamics Group at the University of Oxford, and focusing instead on keeping cumulative emissions below one trillion metric tons might make more sense, which would mean humanity has already used up more than half of its overall emissions budget.

Though the overall impact of tourism on climate change is difficult to assess, the United Nation's World Tourism Organization says our vacations contribute about 5 percent of global carbon dioxide emissions, which reached 8.47 billion metric tons in 2007.

The process generates copious amounts of nitrous oxide, a greenhouse gas 300 times more potent than carbon dioxide, while the output of methane — another potent greenhouse gas — from cattle is estimated to generate some 20 percent of overall U.S. methane emissions.

They have found that both overall costs and carbon dioxide emissions can be reduced by more than half by exploiting an integrated cloud computing solution while retaining the benefits of integrated business processes and services at the cross-organisational level that would normallybe available only to a company with its own hardware and software in place.

He cites studies concluding that various provisions would allow expanded coal use in coming decades despite an overall cap on emissions of carbon dioxide.

Defines «reporting entity» to mean: (1) a covered entity; (2) an entity that would be covered if it had emitted, produced, imported, manufactured, or delivered in 2008 or any subsequent year more than the applicable threshold level of carbon dioxide; (3) other entities that EPA determines will help achieve overall goals of reducing global warming pollution; (4) any vehicle fleet with emissions of more than 25,000 tons of carbon dioxide equivalent on an annual basis, if its inclusion will help achieve such reduction; (5) any entity that delivers electricity to a facility in an energy - intensive industrial sector that meets the energy or GHG intensity criteria.

As more wind energy is added to the energy system, the overall carbon dioxide emissions of the power grid will continue to drop.

Nicola Stuber, first author of the study, to be published in tomorrow's edition of the journal Nature, suggests that contrails» overall impact on climate change is similar in scope to that of aircrafts» carbon dioxide (CO2) emissions over a hundred - year period.

There are two primary externalities that result from our emissions of carbon dioxide into the atmosphere — 1) an enhancement of the greenhouse effect, which results in an alteration of the energy flow in the earth's climate and a general tendency to warm the global average surface temperature, and 2) an enhancement of the rate of photosynthesis in plants and a general tendency to result in more efficient growth and an overall healthier condition of vegetation (including crops).

In the quest to realize the benefits of gender diversity, integrating social equity is of great importance to driving investments in renewable energy, cutting carbon dioxide emissions and supporting environmental protection overall.

The overall annual emissions reduction from this displacement is estimated to be 48,000 tons of nitrous oxide; 1,500 tons of particulate matter; and 1.0 million tons of carbon dioxide, a major greenhouse gas.

Various organizations have published forecasts of the economic impacts of the Clean Power Plan (CPP), EPA's regulation that limits carbon dioxide emissions from power plants, with studies arriving at markedly different conclusions about the effect of the policy on electricity affordability and the overall economy.

In other words, if it continues, the recent trend in sea ice loss may triple overall Arctic warming, causing large emissions in carbon dioxide and methane from the tundra this century (for a review of recent literature on the tundra, see «Science stunner: Vast East Siberian Arctic Shelf methane stores destabilizing and venting; NSF issues world a wake - up call: «Release of even a fraction of the methane stored in the shelf could trigger abrupt climate warming»).

Overall, although natural gas is a non-renewable fossil fuel that emits carbon dioxide, the cumulative emissions saved by fuel switching over the next decade from coal to natural gas are likely to prove far cheaper than the removal of carbon dioxide from the atmosphere in future decades.

With a low - end warming comes low - end impacts and an overall lack of urgency for federal rules and regulations (such as those outlined in the President's Climate Action Plan) to limit carbon dioxide emissions and limit our energy choices.

Overall the G8 pathway has cumulative carbon dioxide emissions (2012 — 2100) of 1,485 Gt CO2 for fossil fuels, and 125 for LUCF, with an additional 45 GtCO2 after 2100 assuming continued exponential decline.

The city's overall goal is to reduce greenhouse - gas emissions coming from homes by 94,000 metric tons of carbon dioxide by 2012.

The Alberta government and the oil industry argue for «intensity - based» targets that would require lower per - barrel emissions, but allow growing industries to increase their overall output of carbon dioxide.

The plant would generate 36.8 million tons of carbon dioxide annually, increasiny emissions from South Africa's energy sector by nearly 13 percent and the country's overall emissions by 9.7 %.

«The carbon fee program has helped Microsoft reduce our overall carbon emissions by more than 9.5 million metric tons of carbon dioxide equivalent.

According to the Kyoto Protocol, which the United States did not ratify, countries were told to reduce their overall emissions, which they can achieve by controlling carbon dioxide, methane or any of the other greenhouse gases.