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(Click for frequent words.) 69 Coal gasification 67 carbon sequestration 65 sequestering CO2 65 CO2 sequestration 64 geological sequestration 62 geologic sequestration 61 sequestering carbon dioxide 60 geosequestration 59 biogenic emissions 59 soil carbon sequestration 59 Carbon dioxide CO2 59 biosequestration 58 sequestration CCS 58 Genetic modification 58 forest thinnings 58 bio char 58 Sequestration 58 Seawater desalination 58 Anaerobic digestion 58 Biomass gasification 58 geo sequestration 58 sequester CO2 58 Biochar 57 sequesters carbon 57 carbon sequestering 57 Conservation tillage 56 nitrification inhibitors 56 environmentally beneficial 56 phytoremediation 56 deep saline aquifers 56 sequester carbon dioxide 56 sequestering carbon 56 bioconversion 56 Geoengineering 56 GHG emitting 56 algae biofuels 56 gasifying coal 55 feedlot manure 55 anthropogenic emissions 55 Switchgrass 55 Organic farming 55 sequesters carbon dioxide 55 biochar 55 geoengineering schemes 55 ocean fertilization 55 biomass combustion 55 biogases 55 carbon dioxide sequestration 55 WtE 55 amine scrubbing 54 bioenergy feedstocks 54 Synthetic biology 54 algal biofuels 54 shale extraction 54 Drip irrigation 54 sequester atmospheric 54 algal biomass 54 bioenergy 54 Plate tectonics 54 Cellulosic ethanol 54 Plasma gasification 54 sulphate aerosols 54 CO ₂ 54 ligno cellulosic 53 Wickool 53 saline aquifers 53 Skyonic 53 biofiltration 53 algal biofuel 53 miscanthus grass 53 monocropping 53 biomass biogas 53 livestock manure 53 Rainwater harvesting 53 artificial photosynthesis 53 Storage CCS 53 crop residues 53 Lignin 53 CO2 53 unmineable coal seams 52 hydrofluorocarbons HFCs 52 transboundary waters 52 carbon capture 52 supercritical fluids 52 Methyl bromide 52 nutrient leaching 52 oilsands extraction 52 sequester carbon 52 manmade greenhouse gas 52 thermochemical processing 52 Anaerobic Digestion 52 hydraulic fracturing fracking 52 desalinating seawater 52 filamentous algae 52 lignocellulosic biomass 52 Jatropha cultivation 52 Carbon Sequestration 52 bioenergy crops 52 mimic photosynthesis 52 sequester carbon dioxide emissions 52 carbon dioxide 52 Anaerobic digesters 52 CO -2 52 abiogenic 52 algal species 52 agrichar 52 agroforestry 52 deoxygenation 51 Pyrolysis 51 biocontrols 51 minimum tillage 51 biomass 51 thermochemical conversion 51 GHG abatement 51 biomasses 51 woody weeds 51 genetically modified herbicide tolerant 51 hydro fracturing 51 biohydrogen 51 Freedom Giant Miscanthus 51 Biomimicry 51 Softwood hardwood 51 corn stover 51 forestry residues 51 microbial ecology 51 carbon dioxide CO2 51 deep saline aquifer 51 biofuel feedstocks 51 PyStR TM 51 nutrient runoff 51 biomineralization 51 methane hydrate 51 Sphagnum 51 aerobic decomposition 51 cellulosic feedstock 51 green manures 51 underground coal seams 51 harmful byproducts 51 Biodynamic farming 51 Torrefaction 51 molten salts 51 anaerobic fermentation 51 Coalbed methane 51 ATRP 51 PyStR ™ 51 Technological breakthroughs 51 Gasification 50 emitting fossil fuels 50 finite fossil fuels 50 anthropogenic carbon dioxide 50 HFC refrigerants 50 nitrification inhibitor 50 potent greenhouse gas 50 membrane distillation 50 permeable paving 50 cap andtrade 50 coproduct 50 marketable byproducts 50 Harvesting rainwater 50 Hydraulic fracturing 50 salicornia 50 mantle convection 50 hydrofluorocarbon HFC 50 thermochemical 50 aquifer recharge 50 stabilizing atmospheric concentrations 50 cofiring 50 gassification 50 thin stillage 50 buffer strips 50 saline aquifer 50 Bioprospecting 50 Drought tolerant 50 Renewable energy 50 waste minimization recycling 50 oxyfuel combustion 50 bio prospecting 50 smallest ecological footprint 50 wet scrubber 50 EOR 50 Stephen Pacala 50 woody biomass 50 MixAlco 50 photocatalysis 50 Drought tolerant plants 50 Coromandel Great Barrier 50 methane emitted 50 Bio SNG 50 leave NoWaste TM 50 biomass feedstock 50 photovoltaics PVs 50 sequestration 50 synthetic genomics 50 Biodegradable plastics 50 Ecosphere Ozonix technology 50 cyanogenic 50 nanotechnological 50 Biomethane 50 ozone depleting compounds 50 aquatic biota 50 Degradation REDD 50 offshore windpower 50 anammox 50 sequester carbon emissions 50 ozone depleting substance 50 Reduced tillage 50 Sewage sludge 50 abiotic stresses 50 ethanols 50 coal gasification 50 situ extraction 49 Selective Micro 49 NPDES permitting 49 renewable feedstocks 49 manure slurry 49 lignocellulosic ethanol 49 Prescribed burning 49 agroecological 49 saline formations 49 de carbonizing 49 nonrenewable fossil fuels 49 Nuclear fission 49 animal manures 49 tunable diode laser 49 Microalgae 49 situ gasification 49 anaerobic digestor 49 Gas hydrates 49 tobacco budworm 49 heterotrophic 49 Digesters 49 gasified coal 49 anaerobic decomposition 49 geothermic 49 green manuring 49 biomass feedstocks 49 Global Warming Potential GWP 49 nonpoint source 49 synthetic nitrogen fertilizers 49 Acid Rain Program 49 Oxyfuel 49 GURTs 49 commercialize cellulosic ethanol 49 kerogen 49 absorbs carbon dioxide 49 synthetic nitrogen fertilizer 49 ozone O3 49 orchardgrass 49 N2O emissions 49 microbial degradation 49 rhizosphere 49 Phytoremediation 49 damming rivers 49 biorenewables 49 nitrous oxide N2O 49 nonfossil 49 soil biota 49 Spotted knapweed 49 Cellulosic 49 halophyte 49 testable hypotheses 49 genetically engineered organisms 49 Steam Reforming 49 Tar sands 49 SoleCina 49 cellulostic 49 Cellulose ethanol 49 fluorinated compounds 49 recharge groundwater 49 Carbon dioxide 49 perennial grasses 49 autotrophic 49 GHG reductions 49 lignocellulosic 49 gasify coal 49 manure compost 49 biorenewable 49 ruminant livestock 49 organic manures 49 compost teas 49 harmful gasses 49 Pasteuria 49 oxygenic photosynthesis 49 Peat moss 49 fracing fluids 49 Acidification 49 Remote sensing 49 iron fertilization 49 recharge underground aquifers 49 greenhouse gases GHGs 49 footprinting 49 extremophile 49 CarbonSMART ™ enterprise 49 Underground coal gasification 49 reusing wastewater 49 conservation tillage practices 49 Dear EarthTalk Are 49 transgenic varieties 49 heterogeneous catalysis 49 zero tillage 49 Worm composting 49 cane bagasse 49 Biofuel Production 49 lignocellulose 49 riparian restoration 49 IGCC plants 49 crop residue 49 atmospheric CO2 enrichment 49 fluorotelomers 49 peat lands 49 THAI TM 49 Renewable fuels 49 photosynthetic organisms 49 biopesticides 49 naturally occurring micro organisms 48 phosphorus runoff 48 Jonah Pinedale 48 Supercritical 48 shredded pine bark 48 agriculturally derived 48 polymorpha 48 Sugarcane ethanol 48 microbial decomposition 48 pyrolysis gasification 48 C4 photosynthesis 48 decomposing organic 48 torrefaction 48 Crop residues 48 repellent coatings 48 sagebrush ecosystems 48 polygeneration 48 Mulches 48 Rotational grazing 48 glyphosate tolerant 48 decarbonized 48 Zeolites 48 ILUC 48 biocatalytic 48 abiotic 48 Novozymes enzymes 48 Therapeutic cloning 48 Florida betony 48 Desalinization 48 afforestation reforestation 48 drought tolerant crops 48 sulfur oxides nitrogen oxides 48 forage legumes 48 geologic carbon sequestration 48 enzymatic hydrolysis 48 avoided deforestation 48 Stuart Haszeldine 48 Genetically modified organisms 48 liquification 48 Vitrification 48 magnesium silicate 48 marine microalgae 48 agro fuels 48 dryland farming 48 Aspergillus flavus 48 biofuel feedstock 48 testable predictions 48 photosynthetic organism 48 methane digesters 48 CRAILAR 48 Integrated Gasification Combined Cycle 48 bulk vitrification 48 Ionic liquids 48 mites pesticides 48 replenishing groundwater 48 nanotube membranes 48 fluorocarbons 48 decomposers 48 Evolutionary psychology 48 stratospheric ozone depletion 48 Perennial grasses 48 underground geological formations 48 residue cellulosic biomass 48 Solar Botanic 48 Gaia Theory 48 coproducts 48 SEADOG Pump 48 methane 48 biogas biomass 48 compensatory mitigation 48 Chlorofluorocarbons CFCs 48 fast pyrolysis 48 corn stalks switchgrass 48 Genetically Modified Organisms GMOs 48 LENR 48 gasifies coal 48 chlorofluorocarbons CFC 48 biologically derived 48 oilsand 48 noncarbon 48 biomimetics 48 bioremediation 48 sectoral crediting 48 chilled ammonia 48 Genome sequencing 48 anthropogenic greenhouse gases 48 Greenhouse gasses 48 biodiesel feedstocks 48 carbon dioxide emission reductions 48 oxy combustion 48 Geoinformatics Process 48 nitrogenous 48 elk feedgrounds 48 hydrosphere 48 environmentally friendly refrigerants 48 cellulostic ethanol 48 Elron identifies potential 48 quantitative proteomics 48 decarbonised 48 contaminate groundwater supplies 48 pennycress 48 terminator gene 48 bark beetle infestations 48 agro ecosystems 48 Puraflo 48 CO2 Capture 48 Bottom trawling 48 economywide cap 48 biofuels biopower 48 glyphosate resistance 48 intensive rotational grazing 48 jatropha curcas 48 nanotechnology supercomputing 48 cellulosic materials 48 biofortification 48 FTIR spectroscopy 48 permaculture principles 48 Bioethanol 48 Hydrokinetic 48 biopharming 48 Earth biosphere 48 gasifies 48 jatropha cultivation 48 shale tar sands 48 situ leach ISL 48 Algae Biofuels 48 decarbonization 47 thermo chemical 47 hybrid poplar 47 fluorinated gases 47 biorefining 47 Thematic Strategy 47 degraded soils 47 EOR techniques 47 smokestack scrubbers 47 agro biodiversity 47 allelopathic 47 Kharecha 47 silica substrate 47 livestock manures 47 biodiesel feedstock 47 nitrogen leaching 47 coalmine methane 47 absorbs CO2 47 lignocellulosic materials 47 hydric soils 47 pollinator habitat 47 nitrogen phosphate potassium 47 groundwater recharge 47 actinide 47 thermophiles 47 Attic insulation 47 coalbed 47 sulfuryl fluoride 47 Sorption 47 Sites Reservoir 47 paddy straw 47 geoengineering 47 GHGs 47 nonfood crops 47 ozone depleting gases 47 spectroscopic methods 47 pollinator friendly 47 biogenic 47 drought tolerant varieties 47 photosynthetic apparatus 47 NGNP 47 Cow manure 47 acid hydrolysis 47 methane CH4 47 cellulosics 47 phosphates nitrates 47 Succinic Acid 47 Acrylic acid 47 smooth cordgrass 47 rewetting 47 Integrated Carbon Capture 47 bovine flatulence 47 aeroponics 47 biogeochemical cycle 47 digestate 47 anthropogenically 47 prebiotic molecules 47 islet isolation 47 sequester greenhouse gas 47 anaerobically digested 47 carbondioxide 47 stover 47 Geologic Storage 47 Cloud seeding 47 Freeze drying 47 desalinisation 47 Herbicide tolerant 47 conservation tillage 47 CO2CRC 47 biogenic methane 47 biofuels 47 photosynthetic algae 47 hydrology geology 47 underground geologic formations 47 tamarisks 47 replanting forests 47 heat trapping pollutants 47 Mulching 47 mycorrhiza 47 grassland ecosystem 47 soluble salts 47 nonconsumptive 47 xanthone 47 vetiver grass 47 methane burps 47 irreversible electroporation IRE 47 biocontrol 47 tradable emission 47 cow belches 47 moldboard plowing 47 conserves moisture 47 photochemical reactions 47 Rentech Fischer Tropsch 47 soil solarization 47 vegetated roofs 47 halogenated gases 47 estrogenic compounds 47 Haber Bosch process 47 Excess nitrogen 47 Compacted soil 47 sulfur dioxide SO2 nitrogen 47 brackish groundwater 47 thermoacoustic 47 forage grasses 47 agroecosystems 47 sedimentation ponds 47 bioeconomy 47 terrestrial biosphere 47 Carbon Dioxide CO2 47 situ leach mining 47 Reverse osmosis 47 ODSs 47 combating desertification 47 Azolla 47 microalgal 47 chemical fertilizers pesticides 47 bioenergy feedstock 47 nitrogen fixation 47 Carbon Dioxide 47 hydrodynamic cavitation 47 FGD gypsum 47 nutrient deficient 47 Methyl Bromide 47 ozone depleting chlorofluorocarbons 47 nitrogen oxides NOx emissions 47 mandatory emission reductions 47 nematode species 47 tradeable permits 47 bioproduct 47 fermentative 47 carbon sinks 47 seed germination 47 INEOS Bio 47 insect pollinated 47 filamentous fungus 47 atrazine herbicide 47 photosynthetically 47 baseload renewable 47 reforestation afforestation 47 geoexchange 47 Greenhouse Gas GHG 47 swine manure 47 lunar regolith 47 Clearcutting 47 supercritical fluid 47 marginal cropland 47 organometallic chemistry 47 terra preta 47 synthetic fertilizers pesticides 47 plasticulture 47 ecodesign 47 cellulose ethanol 47 megafauna extinction 47 Mike Taugher covers 47 Greenhouse Gases 47 Miscanthus 47 Poultry litter 47 mycorrhizae 47 salt tolerant 47 greenhouse gasses 47 Underground Coal Gasification 47 produced Friedlingstein 47 deplete ozone 47 ethanol bio diesel 47 semiconducting polymers 47 Calcium chloride 46 agricultural residues 46 desalinating sea water 46 broadleaf herbicide 46 inoculants 46 NRCS Environmental Quality 46 Greenhouse Gasses 46 Tabashnik 46 perfluorocarbons PFCs 46 Algal Biofuels 46 hydrometallurgy 46 Biowaste 46 geothermal hydroelectric 46 topological insulators 46 Wingenter 46 cellulase enzymes 46 gasifying 46 seedling vigor 46 Spintronics 46 boreal ecosystems 46 AGW theory 46 Sherwood Lollar 46 bioprospecting 46 Kvanefjeld 46 Solid Oxide Fuel Cells 46 Furanics 46 prairie cordgrass 46 photosynthesise 46 Formic acid 46 GE Jenbacher engines 46 Ze Gen 46 tidal geothermal 46 photobioreactors 46 Aluminium smelting 46 Desulfurization 46 Verdezyne 46 Brackish water 46 peat soils 46 polymer electrolyte membrane PEM 46 hydrated lime 46 subsurface drip irrigation 46 thorium reactor 46 buffalograss 46 thermal decomposition 46 anthropogenic aerosols 46 Camellia sinensis plant 46 Gene Ontology terms 46 environmentally benign 46 pasture grasses 46 Nielsen Gammon 46 nanoelectronics photonics 46 flue gases 46 aqueous phase 46 nitrogenous compounds 46 Oil Recovery EOR 46 Carbon Capture 46 dryland agriculture 46 hydrochlorofluorocarbon 46 sedge meadows 46 bioindustrial markets 46 Tailpipe emissions 46 greywater 46 Gas Hydrates 46 String theory 46 refining smelting fabricating 46 Corn stover 46 hydrochlorofluorocarbons HCFCs 46 mesic 46 nonfossil fuel 46 calcareous soils 46 Graetzel innovation 46 metagenomics 46 soybeans canola 46 dSLIM 46 emit CO2 46 biogenic carbon 46 Xeriscaping 46 Kiri Tree 46 pyrolysis oils 46 ethane propane butane 46 dangerous anthropogenic interference 46 ecotoxicological 46 Biomass Crop Assistance Program 46 Fossil Fuels 46 Overgrazing 46 Fertilizing 46 denitrifying 46 anaerobic digestion 46 arid climates 46 Comparative effectiveness 46 vermi composting 46 peatlands 46 Roland Holst 46 Dan Herms 46 re wilding 46 Adequate ventilation 46 biodiverse ecosystems 46 Elemental mercury 46 short rotation coppice 46 redox reactions 46 clearfelling 46 glycerin byproduct 46 photoelectrochemical 46 enteric fermentation 46 Persistent Organic Pollutants POPs 46 gypsum byproduct 46 Global Greensteam 46 native perennial grasses 46 Bio Forge 46 formamide 46 algae biomass 46 nanofabrication techniques 46 converting cellulose 46 buffel grass 46 sugar beet seeds 46 bio mimicry 46 deca BDEs 46 biomass cogeneration 46 economically viable environmentally 46 methanogenesis 46 Nitrogen fixation 46 polyculture 46 SF6 46 hydric 46 decaBDE 46 switchgrass 46 cellulosic fuels 46 predator prey dynamics 46 quantum cascade lasers 46 isoprene 46 HABs 46 bryophytes 46 cow farts 46 Cellulosic biofuels 46 OTEC 46 Raised beds 46 UREX process 46 practices BMPs 46 effluent reuse 46 Ossipee Pine Barrens 46 humic acid 46 frac'ing 46 solar photovoltaics PV 46 Halons 46 contaminate aquifers 46 algal fuels 46 Biomass 46 nitrate leaching 46 carbon dioxides 46 bicarbonate ions 46 willow shrubs 46 photosynthetic bacteria 46 Amflora potatoes 46 photosynthetic microorganisms 46 usual BAU 46 soil tilth 46 biodegraded 46 situ remediation 46 cow flatulence 46 nitrides 46 bio fertilizers 46 methane oxidation 46 methanogenic bacteria 46 methyl chloroform 46 engineered nanomaterials 46 Bt crops 46 Fischer Tropsch process 46 artificial photosynthetic 46 By DARREN SAMUELSOHN 46 regenerable 46 sorghum varieties 46 termiticides 46 Cheatgrass 46 molybdenum sulfide 46 greenhouse gasses emitted 46 bacterial decomposition 46 Vertical Farming 46 Ineos Bio 46 bioresource 46 irrigating crops 46 legume crop 46 transboundary movements 46 transgenic traits 46 remnant vegetation 46 hog lagoons 46 Landfilling 46 House Gases GHGs 46 nanobattery 46 reed canary grass 46 sugar cane bagasse 46 microbial organisms 46 Drought tolerant corn 46 calcium carbonates 46 waterflooding 46 Palmer pigweed 46 sugarcane bagasse 46 Tornado Generator 46 extract coalbed methane 46 coral reef biodiversity 46 sulfur dioxide pollutant 46 convert cellulosic biomass 46 nitrification 46 photosynthetic machinery 46 Biobased 46 commercializable 46 Genetically modified crops 46 oxyfuel 46 rainfed agriculture 46 aerosol propellants 46 Btu Conversion 46 anaerobic digestion AD 46 perfluorocarbons 46 produce isobutanol 46 carbon footprinting 46 cellulose hemicellulose 46 nutrient loading 46 vermin composting 46 humic 46 Biogas 45 mono cropping 45 potato leafhopper 45 Appy Sluijs 45 fraccing 45 Euonymus alatus 45 shredder residue 45 #yf 45 Carbon Capture Storage 45 situ leaching 45 GHG offsets 45 Commercialising 45 liquefying coal 45 Artificial photosynthesis 45 marine phytoplankton 45 vegetated buffers 45 flyash 45 carbondioxide emissions 45 legume crops 45 Leachate 45 genetically modifying crops 45 anaerobic digesters 45 thermoelectric materials 45 glyphosate tolerant corn 45 nonroad diesel 45 Activated carbon 45 GLBRC 45 Spray foam insulation 45 cottonseed hulls 45 microscopic bubbles 45 alfalfa weevils 45 phosphorous fertilizers 45 decarbonizing 45 Hydrogen Production 45 Sulfuryl fluoride 45 spintronic 45 2D gel electrophoresis 45 aquacultural 45 hydrogen peroxide H#O# 45 molecular imprinting 45 bioprocess engineering 45 overappropriated 45 HFC# 45 hydrological cycles 45 bitumen extraction 45 geomechanics 45 DBCCA 45 anaerobic oxidation 45 streambank stabilization 45 Reduced Emissions 45 soilless 45 monoculture farming 45 LFTR 45 Photosynthesis 45 Erythritol 45 Greenhouse Gas Tailoring Rule 45 evo devo 45 hydrofracturing 45 Bion patented 45 nonembryonic stem cells 45 finfish aquaculture 45 Biobutanol 45 anaerobes 45 algal biodiesel 45 Assay QA QC 45 environmentally sound 45 depleting fossil 45 BioForming 45 endagered species 45 Pongamia 45 geological formations 45 refugia 45 Volatile Organic Compounds VOCs 45 wood pellet heating 45 atmospheric CO2 levels 45 Matthew T. Carrano 45 quantum computation 45 manufactured nanomaterials 45 pre biotic 45 methane hydrates 45 Flowering plants 45 GHG 45 herbicide resistant crops 45 scientifically defensible 45 revegetating 45 Cropping Systems 45 CO ² 45 nanocatalysts 45 tarplant 45 Synthetic genomics 45 sedge meadow 45 plasma gasification 45 nitrogen fixing 45 naturally occurring microorganisms 45 duff layer 45 hydrologic cycle 45 molluscan 45 desalinization 45 Riparian Areas 45 Prickly pear 45 enforcing clawbacks poisons 45 foliar sprays 45 Micro Fuel Cells 45 biodegradable bioplastics 45 thermodynamically stable 45 nonpoint 45 vibro compaction 45 inexpensively formulate 45 anerobic 45 cellulosic bioethanol 45 smallholder agriculture 45 CO -2 emissions 45 ecosytem 45 catalytic reactions 45 naturally occurring minerals 45 Bt cotton cultivation 45 photolysis 45 jatropha curcas plant 45 Geomyces destructans 45 Waste Incineration Directive 45 David Roland Holst 45 hydrofluorocarbons HFCs perfluorocarbons PFCs 45 chlorophyll molecule 45 rotational grazing 45 anaerobic lagoons 45 Sulphur dioxide 45 sulfur dioxide nitrous oxide 45 Flue Gas 45 Bt Bacillus thuringiensis 45 Cansolv 45 Anaerobic Digestion AD 45 adsorbents 45 forested buffers 45 herbicide tolerant soybeans 45 suction dredging 45 organochlorine 45 nonpolluting renewable 45 geological repositories 45 bio methanation 45 global weirding 45 biodiesels 45 algal oils 45 Bayesian methods 45 Anthropogenic 45 Windbreaks 45 ozone layer depletion 45 Concentrating solar 45 desalinate seawater 45 inorganic fertilizer 45 Desalting 45 microscopic bugs 45 CAES 45 Concentrated solar 45 EtO 45 cosmogenic 45 cryogenic refrigeration 45 de carbonization 45 GHG emission reductions 45 barbecue briquettes 45 early successional forest 45 GSHP 45 nitrate fertilizers 45 Membrane proteins 45 CO2 emission reduction 45 Soil erosion 45 Fracture stimulation 45 smooth brome 45 pelletization 45 WSNs 45 foxtail barley 45 Nexterra gasification technology 45 Tailoring Rule 45 PyStR 45 Joule Thief 45 nonpoint source pollution 45 anaerobic lagoon