Related by context. Frequent words. (Click for all words.) 61 peat lands 60 peat bogs 59 temperate rainforest 58 peat swamps 57 saline aquifers 57 arable farmland 55 reedbeds 54 Large tracts 54 temperate forests 53 moorlands 53 forestry plantations 53 Swathes 53 volcanic lava 53 Arctic permafrost 53 intensively farmed 53 Melting glaciers 52 Large swathes 52 fertile soils 52 wetland ecosystems 52 leafless charred trunks 52 pristine rainforest 52 Wadden Sea 51 shrublands 51 peatlands 51 deplete oxygen 51 pristine forests 51 plantlife 51 Roadless areas 51 wetland ecosystem 51 freshwater springs 51 virgin forest 50 humid tropical 50 methane CH4 50 Huge swaths 50 sulfate aerosols 50 ecoregions 50 Huge chunks 50 Vernal pools 50 freshwater habitats 50 eucalyptus plantations 50 conifer forests 50 forests 50 forested lands 49 coniferous forest 49 peat bog 49 seabeds 49 biodiversity hotspot 49 Renewable energies 49 Rainforests 49 larches 49 absorbs carbon dioxide 49 vegetations 49 Vast stretches 49 Caspian Sea basin 49 biodiverse 49 Eyjafjoell volcano 49 wetland vegetation 49 biospheres 49 riparian habitats 49 limestone quarries 49 saline soils 49 ponderosa pine trees 49 Fossil fuels 49 By Laurie Kulikowski 49 saltwater marshes 49 By Amy Boerema 48 peatland 48 pristine coral reefs 48 decaying vegetation 48 Highly radioactive 48 wildflower meadows 48 Volcano erupts 48 salt crystals 48 carbonised 48 Entire forests 48 cypress forest 48 Bottom trawling 48 tropical forests 48 Wollemi National 48 Purple loosestrife 48 Boreal forest 48 lowland forests 48 coniferous forests 48 photosynthetic organisms 48 arid deserts 48 seagrass meadows 48 Tar sands 48 arable crops 48 longleaf pine forests 48 fertile plains 48 oak beams 48 Alpine glaciers 48 ornamental gardens 48 Bear bile 48 By JOHN NASH 48 desiccating 48 grassy meadows 48 Lake Vostok 48 Diatoms 48 By Riva Froymovich 48 deciduous forests