What's the difference between emission and pollution?

Emission


Definition:

  • (n.) The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the emission of bank notes.
  • (n.) That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood.

Example Sentences:

  • (1) The assembly reaction is accompanied by characteristic changes in fluorescence emission and dichroic absorption.
  • (2) In London, diesel emissions are now so bad that on several days earlier this summer, children, older people and vulnerable adults were warned not to venture outside .
  • (3) "It has done so much to educate people about low emissions cars.
  • (4) Large emission intensity fluctuations are observed from analyte species in inductively coupled plasmas.
  • (5) They argue that the US, the world's largest producer of greenhouse gases per capita (China recently surpassed us in sheer volume), needs to lead the fight to limit carbon emissions, rather continuing to block global treaties as it has done in the past.
  • (6) The spatial resolution of a NaI(T1), 25 mm thick bar detector designed for use in positron emission tomography has been studied.
  • (7) The optical efficiencies are similar and depend on the match of the excitation characteristics of the stain with the emission spectra of the light source.
  • (8) At our current rate, which is 10 gigatons of carbon a year, we have 27 years left, after which time carbon emissions would need to cease.
  • (9) The behavior and effects of atmospheric emissions in soils and plants are discussed.
  • (10) Several images of cerebral blood flow were recorded during inhalation of carbon-15-labelled carbon dioxide by positron emission tomography in four patients with essential tremor and four normal controls.
  • (11) The statistics underline the significant strides being taken by the industry to meet a government drive to reduce Britain's carbon emissions, although the scale of renewable energy subsidies remains controversial.
  • (12) The present analysis concentrates on the utilization of low-energy proton accelerators of several hundred kilovolts for particle-induced X-ray emission microanalysis.
  • (13) A fortnight ago the two countries signed a US$27 million deal to tackle deforestation on the island of Sumatra - a key problem in Indonesia where 80 per cent of emissions come from deforestation, both by legal and illegal loggers.
  • (14) The agreement, hailed as a "landmark" deal and a breakthrough by politicians and the green lobby alike, came before a crucial EU summit opening in Brussels tomorrow at which 27 prime ministers and presidents are supposed to finalise an ambitious package to cut greenhouse gas emissions by 20% by 2020.
  • (15) Fluorescence (excitation 360 nm, emission 454 nm) generation in glycated albumin was investigated.
  • (16) Results obtained from a such study are here compared with levels obtained from a comparative determination of the metals in the mosses by three other techniques: Differential pulse anodic stripping voltammetry (DPASV), Direct current plasma (atomic emission) spectroscopy (DCPS) and X-ray fluorescence (XRF) spectroscopy.
  • (17) Speaking at The Carbon Show in London today, Philippe Chauvancy, director at climate exchange BlueNext, said that the announcement last week that it is to develop China's first standard for voluntary emission reduction projects alongside the government-backed China Beijing Environmental Exchange, could lay the foundations for a voluntary cap-and-trade scheme.
  • (18) 94 subjects, 64 with cerebral ischemia of varying severity and outcome, and 30 controls were studied with technetium-99m hexamethyl propylenamino oxime single photon emission computed tomography in order to evaluate the suitability of this technique in the assessment of cerebral ischemia.
  • (19) Pyridinoline was isolated from the cross-linked peptide by preparative amino acid analysis and reversed-phase HPLC and identified by its ultraviolet absorption spectra, its fluorescence excitation and emission spectra and, for the first time, its time-of-flight secondary ion-mass spectrum.
  • (20) In the US, electricity accounts for 39% of emissions – and 75% of that is contributed by coal.

Pollution


Definition:

  • (n.) The act of polluting, or the state of being polluted (in any sense of the verb); defilement; uncleanness; impurity.
  • (n.) The emission of semen, or sperm, at other times than in sexual intercourse.

Example Sentences:

  • (1) The biggest single source of air pollution is coal-fired power stations and China, with its large population and heavy reliance on coal power, provides $2.3tn of the annual subsidies.
  • (2) Several studies have found that pollution and climate change disproportionately affect the poor , which means boosting clean energy generation and cutting pollution could also simultaneously reduce global inequality .
  • (3) The effect of airborne pollution, especially nickel, from Kola has been studied in 10,612 persons who participated in a cardiovascular screening survey in Finnmark in 1974-75.
  • (4) The mayor of London had said in a Twitter exchange in July that it was a “ludicrous urban myth” that Britain’s premier shopping street was one of the world’s most polluted thoroughfares, saying that the capital’s air quality was “better than Paris and other European cities”.
  • (5) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
  • (6) Among environmental pollutants, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; dioxin) is one of the most potent tumor promoters and teratogens known.
  • (7) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
  • (8) Mineral fibers represent the greatest cause--after cigarette smoke--of respiratory cancer due to air pollutants.
  • (9) Recognition, evaluation and control of hazards were carried out in a typical case where chromium was the major pollutant.
  • (10) The UK, France and Germany have been accused of hypocrisy for lobbying behind the scenes to keep outmoded car tests for carbon emissions, but later publicly calling for a European investigation into Volkswagen’s rigging of car air pollution tests .
  • (11) Under the auspices of the US-USSR agreement for cooperative research in environmental health, Soviet methods for setting and enforcing standards for environmental pollutants were observed.
  • (12) Results of the determinations indicated that protective leather gloves contained considerable content of chromium, and chromium-free machine oils and lubricants were polluted with chromium's minute quantities as the oils and lubrications were being used.
  • (13) Study of the environmental pollution (ambient air, drinking water, food and fodder) in southern Ukraine industrial region and study of congenital developmental defects were carried out.
  • (14) The metabolism of the environmental pollutant and suspected human carcinogen, cyclopenta[cd]pyrene (CPP), was investigated.
  • (15) A variety of ecological processes are affected and altered by air pollution.
  • (16) However, indoor air pollution is estimated to have caused or contributed to 99,000 deaths across Europe in 2012, the report states.
  • (17) Since some genotoxic metals are diffused in the environment and are often sequestered as insoluble precipitates in water sediments and sludges, the introduction of NTA is likely to increase the risk of environmental pollution because of its ability to solubilize and make those metals reactive.
  • (18) Because surface water pollution appears to be important it is proposed that headwalls and drainage aprons be built around unprotected sources.
  • (19) Several reports have suggested that staphylococci, and especially Staphylococcus aureus, are useful indicators of pollution of recreational waters.
  • (20) Reasonable short-term objectives include the reduction of tobacco use (and alcohol abuse), the control of exposure to carcinogens in the workplace, as well as the reduction of air pollution in the general environment.