Related by context. Frequent words. (Click for all words.) 49 clathrates 48 incomplete combustion 48 admiral asks 48 AP Interview CG 46 methane hydrates 46 outgassing 46 Ocean acidification 46 Earth ozone layer 45 Volcanic Ash 45 greenhouse warming 45 Melting glaciers 45 Volcanic eruptions 45 arctic 44 Snowball Earth 44 carbon disulfide 44 thawing permafrost 44 respiratory irritant 44 bioaccumulation 43 endocrine disruption 43 cryosphere 43 Arctic 43 ozone depletion 43 Nitrogen oxides 43 La Nina cooling 43 melting permafrost 43 temperature inversions 43 deplete oxygen 43 gas hydrates 42 glacial melting 42 meteorite impacts 42 upwellings 42 Volatile organic compounds 42 Oxidative stress 42 sulphates 42 rapid decompression 42 methane hydrate 42 temperature inversion 41 Melting ice 41 hydrologic cycle 41 Volcanic ash cloud 41 Methylmercury 41 Greenhouse Gases 41 ventilate lethal carbon monoxide 41 wetter winters 41 oxygen depletion 41 stratospheric ozone layer 41 ultra violet radiation 41 Therein lurks 41 potent greenhouse gas 41 sulfur oxide 40 El Nino warming 40 overharvest 40 Iceland Volcano 40 Sulfur dioxide 40 acidifying 40 acidification 40 sulfates 40 hydrothermal activity 40 potent neurotoxin 40 warmer wetter 40 oxidising 40 volcanic eruption 40 Artic 39 cosmic radiation 39 Antarctic ozone 39 nutrient loading 39 toxic algae blooms 39 spewing volcano 39 phytoplankton blooms 39 acid rain 39 Icelandic eruption 39 volcanic eruptions 39 degradation 39 aerosol particles 39 plankton blooms 39 Warming temperatures 39 endocrine disrupting chemicals 39 acrolein 39 Ozone layer 39 biofouling 39 estrogen deficiency 39 acidify 38 brake fluid leak 38 Repeated abuses 38 Polar Regions 38 endocrine disruptor 38 atmospheric phenomena 38 pollutions 38 airborne pollutants 38 spew ash 38 harmful ultraviolet radiation 38 atmospheric methane 38 Particle pollution 38 upper troposphere 38 relate thereto 38 melting polar 38 planktonic 38 tsunamis earthquakes 38 Burning fossil fuels 38 atmospheric circulation 38 polar vortex