Emissions


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Emissions

The release of gases, liquids, and/or solids from any process or industry. Liquid emissions are commonly referred to as effluents.
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Electricity use is typically the largest source of GHG emissions in buildings.
In terms of fuel combustion, 36% of total CO2 emissions is originated from energy industries while 19% from manufacturing industries, 16% from transport and 21% from other sectors in 2008.
The lifecycle emissions from transportation include not only the obvious upstream emissions from extracting and refining petroleum, but also the emissions from manufacturing and maintaining vehicles, and building and maintaining roads and parking facilities.
Because carbon pricing is not prescriptive, it allows the millions of decision makers throughout the economy--business owners, university presidents, mayors and the general public, for example--to decide for themselves, given their particular set of conditions, in what manner and by bow much they will reduce their emissions.
Only compulsory policies that impose a cost for emitting greenhouse gases or for acquiring greenhouse gas-emitting technologies will reduce greenhouse gas emissions. These are regulations on technologies (like renewable electricity requirements and vehicle emissions standards), regulations on emissions (like emissions cap-and-trade) and emission charges (like carbon taxes).
Previous estimates by the UN's Intergovernmental Panel on Climate Change (IPCC) put carbon emissions from shipping at 400 million tons.
EU27 emissions declined by 0.3% during this period, reaching the level of 10.8% below the base year, which for some member states is not 1990, and 7.7% below levels in 1990 itself.
In 2005, total emissions from facilities of current members of the CCPA decreased by 14 percent from 2004.
Nevertheless, we will continue our focus on optimizing system cost, both with regard to engine out emissions and aftertreatment."
Several low-fare airlines in the EU say a green tax would not help prevent climate change, but some say they would accept a global emissions trading scheme.
In October 2005, Yale President Richard Levin announced the university's commitment to reduce greenhouse gas emissions by 10 percent below its 1990 levels by 2020.

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