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(Click for frequent words.) 70 flatulent cows 67 cow farts 63 cow flatulence 63 enteric fermentation 62 bovine flatulence 62 methane burps 62 methane emitted 60 Carbon dioxide CO2 59 farting cows 59 nitrous oxide N2O 58 potent greenhouse gas 58 sulphate aerosols 57 gaseous emissions 57 global warming gasses 57 greenhouse gas nitrous oxide 56 carbon dioxide sulfur dioxide 56 emitting fossil fuels 55 co2 55 tailpipe gases 55 sulfur dioxide pollution 55 carbondioxide 55 Sulphur dioxide 55 CO -2 emissions 54 anaerobic decomposition 54 greenhouse gasses 54 mercury emitted 54 smog forming compounds 54 Cow burps 54 carbon dioxide 54 carbon sequestered 54 acidifies 54 cow belches 54 nitrous oxide emissions 53 emit sulfur dioxide 53 heat trapping gases emitted 53 ruminant livestock 53 synthetic nitrogen fertilizer 53 gases emitted 53 boiling kettle 53 CO -2 53 carbon monoxide nitrogen oxides 53 polution 53 harmful particulates 53 methane CH4 53 global warming gases emitted 53 Cow manure 53 bacterial decomposition 53 greenhouse gases 53 Mitloehner 52 sulfurous gases 52 nitrous oxide emission 52 methanogenic bacteria 52 Co2 52 tailpipes smokestacks 52 CO2 emmissions 52 smog forming pollutants 52 anthropogenic aerosols 52 smog forming gases 52 heat trapping greenhouse 52 deplete ozone 52 smog forming pollution 52 biogases 52 sooty particles 52 nitrates phosphates 52 CO ² 52 Global Warming Potential GWP 52 CO2 CH4 52 synthetic nitrogen fertilizers 51 greenhouse gases GHGs 51 ozone particulate matter 51 sulpher 51 ozone O3 51 Sulfur compounds 51 aerobic decomposition 51 nitrogen oxides carbon monoxide 51 CO2 equivalents 51 fecal pellets 51 anthropogenic greenhouse gases 51 Carbon Dioxide CO2 51 gaseous pollutants 51 anthropogenic carbon dioxide 51 Belching 51 livestock manure 51 particulate soot 51 biochar charcoal 51 Greenhouse gasses 51 sequesters carbon dioxide 51 exhale carbon dioxide 50 Nitrogen Oxides 50 Nitrogen oxide 50 GHGs 50 Prussic acid 50 methane 50 photosynthesising 50 Appy Sluijs 50 harmful byproducts 50 Anthropogenic 50 excrete methane 50 biomass combustion 50 emissons 50 Lengai 50 nitrous oxides 50 manmade CO2 emissions 50 sulfur gases 50 hydrogen sulphide H2S 50 biomasses 50 absorbs CO2 50 halogenated gases 50 sulfur dioxide particulate matter 50 tailpipe exhaust 50 Carbon Dioxide 50 ammonia hydrogen sulfide 50 fishy odor 50 Burping 50 hoofed critters 50 Excess nitrogen 50 Particulate Matter PM 50 sequesters carbon 50 GHG emitted 50 absorbs carbon dioxide 49 heat trapping carbon dioxide 49 airborne pollutant 49 Overgrazing 49 carbon dioxide CO ² 49 nitrogen leaching 49 unburned hydrocarbons carbon monoxide 49 nitrogen phosphorous 49 carbon monoxide particulate matter 49 ozone layer depletion 49 Nitrogen oxides 49 Kharecha 49 Goose droppings 49 N2O emissions 49 Polycyclic aromatic hydrocarbons 49 anaerobically digested 49 deforestation overfishing 49 sulphate particles 49 Burning fossil fuels 49 phosphorus runoff 49 benzene arsenic 49 sulfur dioxide pollutant 49 carbon dioxides 49 terrestrial biosphere 49 atmospheric CO2 levels 49 combustion byproducts 49 carbon dioxide methane 49 co2 emissions 49 sequestering CO2 49 bioavailable iron 49 GtC 49 putrid odors 49 cattle dung 49 planktons 49 heat trapping pollutants 49 harmful gasses 49 pesticides herbicides fertilizers 49 pollutant particles 49 nitrogen oxides NOx emissions 49 Ozone depletion 49 emitting methane 49 Nitrogen dioxide 49 PM#.# particles 49 pollutes waterways 49 tailpipe pollutants 49 mercury sulfur dioxide 49 HFC# 48 Methane CH4 48 greenhouse gasses emitted 48 smog forming chemicals 48 manure slurry 48 ozone depleting gases 48 gigaton 48 fermentable sugar 48 carbon dioxide CO2 48 cow rumen 48 atmospheric deposition 48 methane nitrous oxide 48 ILUC 48 sulfur dioxide nitrogen dioxide 48 hydrocarbons carbon monoxide 48 waste decomposes 48 greenhouses gases 48 GHGs emitted 48 microbial decomposition 48 emmisions 48 gigatonne 48 forestry residues 48 pollution 48 respired 48 earths surface 48 atmospheric pollutants 48 atmospheric aerosols 48 silicate rocks 48 gasses emitted 48 toxic hydrogen sulfide 48 smog forming 48 cyanogen 48 pollute waterways 48 sulfur dioxide SO2 48 invisible odorless tasteless 48 Sulfur Dioxide 48 rainforest deforestation 48 photic zone 48 CO2 48 carbon emmissions 48 dunder 48 anthropogenic greenhouse gas 48 gene spliced 48 particulate matter nitrogen oxides 48 melting icebergs 48 nitrous oxides NOx 48 sulfur oxide SOx 48 Terra Preta 48 cottonseed hulls 48 nitrate fertilizers 48 farts 47 Nitrate contamination 47 reactive nitrogen 47 flatulence 47 hydrogen sulfide ammonia 47 warming gases 47 deca BDEs 47 anthropogenic emissions 47 melt glaciers 47 resource depletion 47 produced Friedlingstein 47 noxious gasses 47 pig slurry 47 unburnt fuel 47 microbes decompose 47 manmade greenhouse gas 47 tropospheric ozone 47 greenhouse gas 47 hydrocarbons HC 47 unmineable coal seams 47 nitrogen oxide NOX 47 nitrogen dioxide carbon monoxide 47 spew pollutants 47 subterranean aquifers 47 Particulate pollution 47 burps 47 pollutant 47 acid rain 47 harmful tailpipe emissions 47 Greenhouse Gases 47 Tropical deforestation 47 buffel grass 47 sulfur dioxides 47 Gas Emissions 47 biogeochemical cycling 47 carbon sequestering 47 photosynthetic microorganisms 47 nitrogen excretion 47 GhG emissions 47 soil carbon sequestration 47 atmospheric nitrogen 47 AGW proponents 47 smog acid 47 Volcanic gases 47 polyaromatic hydrocarbons 47 Nitrogen oxide emissions 47 fertilize crops 47 emmissions 47 dioxide emissions 47 Emitting 47 halocarbons 47 CO2 eq 47 nitrate leaching 47 salicornia 47 GHG concentrations 47 drywall emits 47 Biochar 47 Ozone O3 47 manure lagoons 47 megafauna extinction 47 Particulate emissions 47 Nitrogen Oxide 47 marketable byproducts 47 deforestation desertification 47 arable soils 47 particulate matter sulfur dioxide 47 emits greenhouse gases 47 sulfate aerosols 47 attracting vermin 47 CO2 SO2 47 CO ₂ 47 sugar beet pulp 47 smokestacks belching 47 oxidized mercury 46 climate forcings 46 fluorocarbons 46 bio char 46 dioxides 46 nitrogenous 46 particulate pollutants 46 pig dung 46 manure 46 sulfer 46 glacier melts 46 ozone precursors 46 sulfur gasses 46 microscopic bugs 46 CFCs chlorofluorocarbons 46 hydrocarbons nitrogen oxides 46 ppmv 46 chlorine bleaching 46 Co2 emissions 46 feedlot manure 46 automobile tailpipes 46 millimoles 46 nauseating odor 46 breathable particles 46 sulfuryl fluoride 46 thin stillage 46 lampblack 46 House Gases GHGs 46 coarse particulate matter 46 anaerobic fermentation 46 sulfur dioxide SO2 nitrogen 46 nutrient runoff 46 aboveground biomass 46 polluting gases 46 carbon dioxide concentrations 46 air pollution 46 gypsum byproduct 46 ghg emissions 46 Carbon dioxide emitted 46 nitrogen oxides emitted 46 dry distillers grain 46 depleting ozone layer 46 gassy 46 atmospheric methane 46 carcinogenic dioxins 46 pollutants 46 phosphorus pollution 46 benzopyrene 46 anthropogenic CO 46 global warmists 46 microbial organisms 46 ethanol butanol 46 smelliness 46 Foul smelling 46 carbon monoxide nitrogen dioxide 46 animal dung 46 soybeans canola 46 cow patties 46 monoxide 46 Thawing permafrost 46 methane ethane 46 emit CO2 46 greenhouse gas emissions 46 topsoil erosion 46 finite fossil fuels 46 Limonene 46 digestors 46 greenhouse gas emmissions 46 phytoplankton zooplankton 46 pig manure 46 Tailpipe emissions 46 CaCO 3 46 carbon dioxide nitrous oxide 46 greenhouse gases GHG 46 ethane propane butane 46 carbon dioxide emissions 46 harmful radiations 46 dimethyl sulphide 46 flatus 46 methyl chloroform 46 terra preta 46 Algore 46 carbon dioxide nitrogen oxide 46 denaturant 46 N2O 46 hydrofluorocarbons HFCs perfluorocarbons PFCs 46 sequestering carbon dioxide 46 biogenic emissions 45 rotting vegetation 45 #g/km CO2 [002] 45 biosequestration 45 fluorinated gases 45 barnyard manure 45 chicken manure 45 phosphorous nitrogen 45 pollutants emitted 45 Sulphur Dioxide 45 photochemical smog 45 NOX emissions 45 pesticides herbicides fungicides 45 forms carbonic acid 45 colorless flammable 45 chlorofluorocarbons CFC 45 burning fossil fuels 45 microbial degradation 45 unburnt hydrocarbons 45 nitric oxides 45 magnesium silicate 45 carbondioxide emissions 45 greenhouse emissions 45 PAHs polycyclic aromatic hydrocarbons 45 cenospheres 45 soluble salts 45 gasifying coal 45 ppbv 45 Mariam Sticklen 45 soot smog 45 Earth biosphere 45 decaying vegetation 45 sodium chloride salt 45 SO2 emission 45 anerobic 45 tiny single celled 45 beet pulp 45 sugars starches 45 smog soot 45 Alex Wissner Gross 45 Kurt Zenz House 45 noxious pollutants 45 smog haze 45 belcher 45 hydrological cycles 45 woodsmoke 45 nutrient leaching 45 intensively farmed 45 greenhouse gases emitted 45 vermicast 45 hydrofluorocarbons HFCs 45 Weekly Mulch 45 DDT PCBs 45 Ozone depleting 45 sequester carbon dioxide 45 VOCs emitted 45 Particulates 45 diesel particulates 45 dung 45 isoprene 45 cow enteric 45 fossil fuel 45 moldy hay 45 #.#C #.#F [003] 45 Monsanto GMO 45 burp 45 stabilizing atmospheric concentrations 45 emmission 45 aerosol concentrations 45 dissolved salts 45 nitrogen dioxides 45 Sewage sludge 45 biohydrogen 45 pig excrement 45 monoculture crops 45 Mercaptan 45 global warming 45 boreal ecosystems 45 carbon dioxide CO2 emitted 45 Global Warming 45 carbon fluxes 45 emit #g/km 45 leach toxic chemicals 45 emit fumes 45 Nuclear fission 45 belching 45 methanol formaldehyde 45 Greenhouse Gas Emissions 45 bacterial mats 45 Hydrogen sulfide 45 coproduct 45 endorses halving 45 nitrogen 45 sulfur fumes 44 emissions 44 Warmer seas 44 organo phosphate 44 chemical ammonium perfluorooctanoate 44 toxic tailing ponds 44 Clear Skies Initiative 44 photosynthesise 44 dried distiller grain 44 burp dairy cows 44 AB# mandates 44 nonroad diesel engines 44 manure piles 44 hydrologic cycle 44 phosphorous potassium 44 teragrams 44 Kyoto Protocol obliges 44 endocrine disrupting chemicals EDCs 44 respire 44 obnoxious odors 44 soil salinity 44 chemical fertilizers pesticides 44 coco peat 44 particulate matter emissions 44 perfluorocarbons PFCs 44 ruminant animals 44 Sodium cyanide 44 sulfate particles 44 inorganic minerals 44 Global warming alarmists 44 nitrogenous fertilizers 44 algaes 44 peat soils 44 amonia 44 mold dust mites 44 fart 44 Ozone Depleting 44 sequester atmospheric 44 synthetic pesticides herbicides 44 plastics detergents 44 ethane methane 44 carbon monoxide sulfur dioxide 44 alone Reheis Boyd 44 earthy smell 44 nitrogenous compounds 44 gooey sticky 44 nitrate nitrogen 44 contain oxalic acid 44 emis sions 44 nitrate nitrite 44 EarthTalk 44 Hydrogen Sulphide 44 Carbon sequestration 44 mites pesticides 44 chemosynthesis 44 Heart Laser RenalGuard 44 converting cellulose 44 sequester CO2 44 pollens molds 44 nitrogen oxides NO 44 disagreeable odor 44 carcinogenic polycyclic aromatic hydrocarbons 44 atmospheric moisture 44 decomposers 44 cow manure 44 Domoic acid neurotoxin 44 finely powdered 44 odorous compounds 44 sulfur hexafluoride 44 allergy inducing 44 scraps grass clippings 44 cows burp 44 Gaseous 44 Earth ozone layer 44 nitrification 44 Grass carp 44 smokestack pollutants 44 cow poop 44 atrazine herbicide 44 Diesel exhaust 44 dissolved oxygen DO 44 Iceland volcanos Eyjafjalljokull 44 Carbon dioxide emissions 44 biomass residues 44 Microalgae 44 ammonium carbonate 44 rumen pH 44 Humic acid 44 nitrogen oxide emission 44 crop residues 44 contaminant concentrations 44 sulfuric compounds 44 Alfalfa hay 44 seawater pH 44 rainfed crops 44 Acidification 44 anthropogenic CO2 44 sulphates 44 pollen mold spores 44 peatland destruction 44 inorganic fertilizer 44 digest cellulose 44 poisonous weeds 44 dust mites pollen 44 emits #g/km [001] 44 Skeptical Environmentalist Guide 44 carbon dioxide equivalent CO2e 44 nitrous oxide NOx 44 carcinogenic pollutants 44 repels insects 44 carbon dioxide emitted 44 ozone particulates 44 volatilized 44 NOx oxides 44 Sulfur dioxide 44 sawdust shavings 44 leaching toxins 44 Brenda Ekwurzel climate 44 elevated atmospheric CO2 44 greenhouse gas HFC 44 carbon monoxide colorless odorless 44 pollen particles 44 acidifying oceans 44 semi arid climates 44 Sulfates 44 brocolli 44 naturally occurring algae 44 paddy husk 44 unboiled 44 acrid aroma 44 nox 44 Kilauea wafts 44 paint thinners solvents 44 NOx nitrogen oxide 44 cyanide arsenic 44 nitrogen oxides sulfur oxides 44 soot emitted 44 stover 44 superheats 44 sulfurous compounds 44 isotopic ratios 44 odorless colorless poisonous 44 HCFC #b 44 phosphorous fertilizers 44 fungicides herbicides 44 fermentation broth 44 protested Taiji dolphin 44 phosphates nitrates 44 preindustrial times 44 sulfur oxide 44 Plate tectonics 44 vegetable peels 44 emits #g 44 toxins leaching 44 pesticide carbofuran 44 megatonne 44 insulating foams 44 sulfur oxides nitrogen oxides 44 dangerously overheat 44 Electromagnetic radiation 44 Nitrous oxide 44 belches 44 sorghum sudan 43 repel pests 43 insults overfishing trawlers 43 nitrate fertilizer 43 megajoules 43 gigatonnes 43 saline aquifer 43 stinks Belching 43 carbonyl compounds 43 unburned hydrocarbons 43 Polluted runoff 43 ligno cellulosic 43 peat swamps 43 reformulated gasoline RFG 43 oxidized cholesterol 43 nitrogen deposition 43 manure compost 43 Elephant dung 43 ethanols 43 potassium NPK 43 bird excrement 43 preindustrial levels 43 gastropods 43 Fashion Movie Reviews 43 miscarriages birth defects 43 odorless colorless tasteless 43 deplete aquifers 43 Droughts floods 43 tasteless odorless 43 carcinogenic compounds 43 sodium chloride NaCl 43 gobar 43 stringy bits 43 neonicotinoid pesticides 43 respiring 43 Volatile Organic Compounds 43 nonfood crops 43 allergenic pollen 43 cane bagasse 43 phosphorus nutrient 43 Tim Searchinger 43 trichloroethane 43 acidify 43 groundwater depletion 43 nonrenewable resources 43 sulfur dioxide emission 43 sorghum sudangrass 43 gasses 43 urea nitrogen 43 Island protea growers 43 curbing heat trapping 43 sugar cane bagasse 43 Sceptical Environmentalist 43 composting manure 43 conventionally tilled 43 nematode Caenorhabditis elegans 43 picocurie 43 Warmer wetter weather 43 corrodes metal 43 nutrient pollution 43 rotting stinking 43 nitrogenous waste 43 putrescible 43 benzene formaldehyde 43 distiller grain 43 ventilate manure pits 43 ammonium nitrogen 43 paddy straw 43 decomposing manure 43 PLA polymer 43 cyanogen poisonous gas 43 carbon belching 43 Microscopic particles 43 Acid Rain 43 planktonic algae 43 Sulphates 43 anaerobic microbes 43 almond hulls 43 nutrient deficient 43 permafrost melting 43 sulfur dioxide nitrogen oxides 43 EPA Toxics Release 43 belch 43 decomposing trash 43 petrodiesel 43 sulfur oxides 43 detergents solvents 43 emits noxious 43 Laki eruption 43 brassinosteroids 43 cellulose hemicellulose 43 smokestack emissions 43 toxaphene 43 trapping gases 43 Atmospheric CO2 43 Corn Ethanol 43 acidity pH 43 Sulfuric 43 melt Himalayan glaciers 43 aerosol particles 43 Volatile Organic Compounds VOC 43 n butyl 43 absorbing carbon dioxide 43 SOx NOx 43 Particulate Matter 43 carbon emissions 43 HABs 43 Nitrogen fertilizer 43 Sulfur dioxide pollution 43 manmade greenhouse gases 43 glycerin byproduct 43 ozone depleting compounds 43 anthropogenic 43 biofuel feedstocks 43 perfluorocarbons 43 sulfuric acid mist 43 ppm CO2 43 inorganic fertilizers 43 Brackish water 43 liquefying coal 43 Overcooking 43 diarrhea cramps nausea 43 overgrazing deforestation 43 carcinogenic fumes 43 methyl chloride 43 Acetaldehyde 43 buffalo dung 43 rumen fermentation 43 anthropogenic CO2 emissions 43 respirable particles 43 nutrient discharges 43 GLOBAL WARMING 43 atmospheric CO 43 nonrenewable fossil fuels 43 acrid stench 43 produce briny wastewater 43 emit GHGs 43 naturally occurring micro organisms 43 Hydrogen sulphide 43 HAAs 43 VOCs volatile organic compounds 43 bonemeal 43 cancer causer 43 PCBs dioxins 43 Clogged filters 43 carbon monoxide nitrogen oxide 43 Carbon monoxide CO 43 pollen spores 43 sulfur dioxide nitrous oxide 43 grease FOG 43 genetically modified herbicide tolerant 43 Greenhouse Gasses 43 regulate greenhouse gasses 43 Peter Iwanowicz 43 fishy aftertaste 43 apple pomace 43 smog forming emissions 43 liquefied manure 43 springtime ozone 43 stratospheric ozone depletion 43 ensiling 43 author Gregg Marland 43 pesticide sprays 43 moldboard plowing 43 Fecal matter 43 sulfuric gases 43 herbicide residues 43 allergenic reactions 43 carbon dioxide emission 43 perfluorinated chemicals PFCs 43 putrid stench 43 Titan smoggy 43 scare mongers 43 Amazon rainforests 43 Breathing ozone 43 GMO alfalfa 43 luwak 43 Woolly mammoth 43 phytoplankton bloom 43 gases vapors 43 carbon emitted 43 quadrillion BTUs 42 unpasteurized apple cider 42 flatulent 42 rumen bacteria 42 sorghum stalks 42 Leaky pipes 42 particulates sulfur dioxide 42 herbicides pesticides 42 byproducts 42 duff layer 42 lungfuls 42 unicellular algae 42 gobar gas 42 Bacillus thuringiensis bacterium 42 Dried Distillers Grains 42 inorganic salts 42 dimethyl sulfide 42 bio fertilizers 42 cat dander 42 Enviropig 42 fluorinated compounds 42 putrid smelling 42 plantlife 42 sulfate aerosol 42 agro fuels 42 diesel particulate 42 myco diesel 42 VOC emission 42 monensin 42 formaldehyde benzene 42 swine manure 42 carbon monoxide hydrocarbons 42 phenanthrene 42 Guayule 42 PCBs DDT 42 roseum 42 sticky honeydew 42 herbicide atrazine 42 emitting greenhouse gases 42 Corn stover 42 pollutions 42 #,# dichlorobenzene 42 algal biodiesel 42 Carbon dioxide CO2 emissions 42 contamination Nishiyama 42 CFCs HCFCs 42 polycarbonate plastic bottles 42 sulphite 42 silages 42 subbituminous coal 42 GHG emitter 42 peat lands 42 unpleasant smell 42 Bjørn Lomborg 42 befouls 42 Janet Sawin 42 Trademarked Enviropigs whose 42 nasal mucous 42 heat trapping gases 42 Emilie Moorhouse 42 Storing carbon dioxide 42 sulfur hexafluoride SF6 42 Jellyfish swarm northward 42 Prenatal exposure 42 tiniest speck 42 planetwide 42 Warmer oceans 42 biomagnification 42 artificial fertilizers 42 CO2 Emissions 42 chicken droppings 42 Nitrogen fixation 42 Nitrogen Dioxide 42 CO ² emissions 42 mildly radioactive 42 salinisation 42 biospheric 42 pollutes streams 42 ozone depleting substance 42 limburger 42 volcanic aerosols 42 contaminates groundwater 42 depletes oxygen 42 conserves moisture 42 udder infections 42 gigatons 42 Reference Dose 42 globalwarming 42 NH4 + 42 Haber Bosch process 42 PM# particles 42 nutrient loadings 42 backyard compost pile 42 algal species 42 fine particulate pollution 42 sulfur dioxide 42 CO2 emissions 42 Cow dung 42 colorless odorless poisonous 42 megatonnes 42 particulate matter emitted 42 nitrate concentrations 42 Sulfur Dioxide SO2 42 corn ethanol 42 cellulostic 42 bioaccumulates 42 VOC volatile 42 electromagnetic radiation EMR 42 Ketones 42 ammoniac 42 smogs 42 temperate grasslands 42 CarbonSMART ™ enterprise 42 soot particulates 42 inorganic nitrogen 42 belchers 42 Coarse grain 42 maize stalks 42 hydrofluorocarbon HFC 42 octane enhancer 42 carbon isotopes 42 decomposing organic 42 nutria ate 42 cattle feedlots 42 Particulate matter 42 dustier stormier atmosphere 42 topsoils 42 corn soybeans hay 42 hazardous solvents 42 Arctic icecap 42 iso octane 42 pesticides fertilizers 42 mercury potent neurotoxin 42 Biogenic 42 Stratospheric ozone 42 Carbon dioxide 42 cows belch 42 Ricin derived 42 C# emissions 42 Overfishing pollution 42 Phosphine 42 apple peels 42 hydrochlorofluorocarbon 42 biodegradable nontoxic 42 bran layer 42 seafloor sediments 42 methanogenesis 42 Solartopia 42 RfD 42 polyunsaturated vegetable oils 42 airborne irritants 42 compost manure 42 botanical insecticide 42 stimulates saliva 42 glaciers retreating 42 leachates 42 Chuck Corell 42 fiberboard panels 42 Rutabagas 42 VOC Volatile Organic Compounds 42 photosynthetic machinery 42 erode tooth enamel 42 Pungent 42 Urbaszewski 42 dioxide 42 iron rusts 42 Co2 emission 42 micro meteorites 42 thatch buildup 42 glacial melt 42 particulate matter soot 42 ultraviolet sunlight 42 ferrous oxide 42 digester tanks 42 Elemental mercury 42 Calcium carbonate 42 pollutant emissions 42 Climate alarmists 42 Sodium hypochlorite 42 biodegradable recyclable 42 depleting fossil 42 pesticides insecticides 42 CO2e emissions 42 nitrogen phosphorus 42 benthos 42 plankton blooms 42 lilies orchids 42 chlorine bleaches