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Container of dinitrogen pentaoxide nitrogen(V) oxide (N2O5) by WLADIMIR BULGARSCIENCE PHOTO LIBRARY
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Canister of nitrogen dioxide gas
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Canister of nitric oxide gas
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Illustration of 4Fe-4S-NsrR from Streptomyces coelicolor (ScNsrR left) complexed with DNA (deoxyribonucleic acid double helix pink) This transcr
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Nitrous oxide molecule illustration
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Container of the food additive E918 by WLADIMIR BULGARSCIENCE PHOTO LIBRARY
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Dentist administering nitrous oxide Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Child with nitrous oxide mask at dentist Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Pollution by acid rain View of Lake Gardsjon Sweden Despite the idyllic scene the lake itself has seen a hundred-fold increase in acidity over the
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Joseph Priestley Coloured historical engraving of the British chemist Joseph Priestley (1733- 1804) Priestley isolated and examined many new gases i
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1799 Joseph Priestly Chemist oxygenJoseph Priestley Portrait of the British chemist Joseph Priestley (1733-1804) Priestley isolated and examined ma
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Child with nitrous oxide mask at dentist Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Dentist administering nitrous oxide Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Dentist administering nitrous oxide Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Dentist administering nitrous oxide Photo by PEAKSTOCK SCIENCE PHOTO LIBRARY
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Apothecia of Xanthoria parietina liche
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Apothecia of Xanthoria parietina liche
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Apothecia of Xanthoria parietina liche
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Vericiguat heart failure drug molecule illustration
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Antoine Laurent Lavoisier Coloured historical engraving of the French chemist Antoine Laurent Lavoisier (1743-1794) writing Lavoisier is considered
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View through the element of a catalytic converter a device which reduces the toxic emissions from an internal combustion engine by converting the har
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Air pollution Industrial chimneys give out fumes at sunset Industrial processes are a major source of sulphur and nitrogen oxides which dissolve in
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Car emissions testing
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Car emissions test Mechanic using a computer that tests a vehicles exhaust emissions for various gases It monitors the amount of carbon monoxide c
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Hydrogen cars engine
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Refuelling of a bus powered by natural gas
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Gas-powered bus Passengers boarding a bus which uses natural gas (methane) as a fuel in order to reduce airborne pollution Methane is a simple hydro
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Hydrogen fuel sign
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Bioenergy research Technician holding a sugar solution obtained from sweet sorghum plants This research is performed to test the performance of swee
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Hydrogen-methane flame from the combustion of a gas mixture of 77 hydrogen and 23 methane This is part of research for the US National Renewable En
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Catalytic converter Part of a catalytic converter from a car exhaust This device reduces the toxic emissions from an internal combustion engine It
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Acid rain damage to stonework View of stonework on the walls of York Minster which have been damaged by acid rain Clean rainwater will erode limesto
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Joseph Priestley Cartoon of Joseph Priestley (1733-1804) British chemist This cartoon of 1791 portrays Priestley who supported the French revolut
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Hydrogen-methane flame from the combustion of a gas mixture of 77 hydrogen and 23 methane This is part of research for the US National Renewable En
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Power from poultry litter View of the Fibropower power station at Eye in Suffolk England The station is fuelled with poultry litter - a dried mixtu
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Power from poultry litter View of the Fibropower power station at Eye in Suffolk England The station is fuelled with poultry litter - a dried mixtu
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Ultraviolet photograph of night airglow on Venus taken in 1979 by the Pioneer-Venus Orbiters ultraviolet spectrometer at a wavelength of 198 nanomet
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain The dead trees have been cleared and new trees pla
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Forest destruction by acid rain The Moon rising above woodland devastated by the effects of acid- polluted rain These trees are in the Czech Republi
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Acid rain damage View of conifer trees in Bavaria killed by acid rain Acid rain results from airborne pollutants such as sulphur dioxide and nitrog
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Acid rain Photograph representing heavy acid- laden clouds over a mixed forest The brown colouration produced by a photographic filter suggests h
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain These trees are in the Czech Republic near the bor
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Biogas production External view of a gasification plant Here gas is produced by using the dry pulp (bagasse) of the cereal sweet sorghum Such gas m
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Light bulbs Coloured X-ray of an assortment of electric light bulbs Some have screw fittings and some bayonet fittings Each has a finely coiled fil
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Studying diesel engine emissions
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Air pollution experiment Plants being examined by a researcher in an experiment into the effects of elevated levels of nitrogen pollutants on plant g
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Nitrogen pollution experiment
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Nitrogen pollution experiment
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Air pollution research laboratory
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Atmospheric pollution research
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Atmospheric pollution research Meteorological sensors on top of the PROPHET tower (Program for Research on Oxidants Photochemistry Emissions and Tr
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Atmospheric pollution research
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain The dead trees have been cleared and new trees pla
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain These trees are in the Czech Republic near the bor
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Demonstration of magnetic levitation of one of the new high-temperature superconductors - yttrium- barium- copper oxide (Y-Ba2-Cu3-O7-x) Discovered i
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Air pollution sensor Technician assembles a measuring chamber used in a gaseous emissions measurement system Such sensors are necessary to enforce p
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Acid rain erosion Stone statue that has been eroded by acid rain Acid rain is the result of a chemical reaction in the atmosphere between water drop
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Forest damaged by acid rain in the Czech Republic
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Acid rain damage to stonework York Minster
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Acid rain effects on a pillar
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Acid rain Image representing the effects of acid rain on a pillar Acid rain is caused by the reaction in the atmosphere between water droplets and p
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Acid rain Image representing the effects of acid rain on statues Acid rain is caused by the reaction in the atmosphere between water droplets and po
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Acid rain damage to conifer forest near Fern Pass Austria The damage caused to conifers by acid rain is expressed in terms of stunted overall growt
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Acid rain damage to stonework View of stonework on the walls of York Minster which have been damaged by acid rain Clean rainwater will erode limesto
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Acid rain Image representing the effects of acid rain on statues Acid rain is caused by the reaction in the atmosphere between water droplets and po
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Acid rain - cause and effect View looking toward a large industrial zone over the tops of dead trees The trees have been killed by the effects of ac
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Head Forester from Newcastle UK comparing healthy (large) damaged (small) branch of a sitka spruce Picea sitchensis both representing five years
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Healthy branch of a sitka spruce Picea sitchensis from the Black Forest West Germany The photograph was taken to compare healthy specimens those s
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Damaged Sitka spruce Picea sitchensis in the Black Forest West Germany Seen here are second third year growth; second year (sprigs at right angles
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Forester in the Black Forest West Germany examining yellowing needles from a damaged spruce The damage is associated with acid rain or the lowerin
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Motor vehicle exhaust gases Close-up of the exhaust pipe of a motor vehicle This is used to vent exhaust gases from the vehicles engine following
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Traffic pollution computer artwork Motor vehicles are a major source of atmospheric pollutants producing poisonous gases such as nitrogen oxides c
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Traffic pollution computer artwork Pedestrians being covered by exhaust fumes from a car Motor vehicles are a major source of atmospheric pollutant
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Air pollution
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Acid rain Image representing the effects of acid rain on a statue Acid rain is caused by the reaction in the atmosphere between water droplets and p
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Acid rain Image representing the effects of acid rain on a statue Acid rain is caused by the reaction in the atmosphere between water droplets and p
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Acid rain - cause and effect View looking toward a large industrial zone over the tops of dead trees The trees have been killed by the effects of ac
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Air pollution
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Air pollution mask View of the face of a cyclist wearing a mask which protects against air pollution The main source of air pollution in cities is f
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Air pollution mask Blurred view of the face of a cyclist wearing a mask which protects against air pollution The main source of air pollution in cit
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Air pollution mask View of a mask worn by cyclists to protect against air pollution The main source of air pollution in cities is from car exhausts
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Air pollution mask View of a young child in a buggy wearing a face mask to protect him from air pollution in a city The main source of air pollution
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Air pollution mask Cyclist wearing an air pollution mask The main source of air pollution in cities is from car exhausts Cars produce harmful gases
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Air pollution over Vancouver View of the city of Vancouver Canada showing photochemical air pollution (smog) The pollution results from hydrocarbo
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Air pollution mask Seven-year- old boy in a cycling helmet wears an anti- pollution mask The mask over his mouth and nose is to protect him against
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Acid rain - cause and effect View looking toward a large industrial zone over the tops of dead trees The trees have been killed by the effects of ac
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Forest destruction by acid rain The Moon rising above woodland devastated by the effects of acid- polluted rain These trees are in the Czech Republi
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain These trees are in the Czech Republic near the bor
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Air pollution mask Young girl wears a mask to protect her from air pollution A cloudy blue sky is seen in the background Cars and trucks are a majo
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Car exhaust fumes Fumes from a car exhaust belch out in front of an eight year- old girl and 3 year-old boy The children are holding their hands ove
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Industrial air pollution Steelworks chimneys producing smog near the city of Aviles Spain The steelworks covers 83 square kilometres and dates f
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Air pollution A trembling Sun silhouetted against the dark smoke coming out of an industrial chimney The main forms of air pollution derive from the
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Air pollution
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MODEL RELEASED A cyclist wearing a fume mask on her face This provides some protection from inhalation of exhaust fumes Engines produce a number of
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A cyclist wearing a fume mask on his face The mask provides some protection from car exhaust fumes Car engines produce a number of harmful gases suc
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Arctic ozone hole research Night-time launch of balloons with experimental payloads during the CHEOPS-3 project (CHEmistry of Ozone in Polar Stratosp
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Forest destruction by acid rain View of woodland devastated by the effects of acid-polluted rain These trees are in the Czech Republic near the bor
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Global warming Conceptual computer artwork of the Earth on fire It is feared that an increase in greenhouse gases (including carbon dioxide nitroge
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Greenhouse effect Conceptual computer artwork of the Earth on fire This could represent global warming and the greenhouse effect The flames depict
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Catalytic converter surface illustration
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