Biomass 282 biomass 205 Technology: general issues 123 TP Chemical technology 122 Research & information: general 90 Forestry 72 Biology, life sciences 70 biofuel 65 cellulose 61 Cellulose 55 Lignin 54 Ecosystems 49 Biofuels 48 History of engineering and technology 47 China 46 Climate change 45 Crops 44 lignin 44 Lignocellulosic biomass 42 Saccharification 41 Soils 39 TA Engineering (General). Civil engineering (General) 39 Carbon 38 Research and information: general 38 Ecology 36 Plants (botany) 35 Article 32 Carbon dioxide 32 Ethanol 31 TJ Mechanical engineering and machinery 31