Earth & Environmental Sciences
biogas
84%
classified site
18%
spreadsheet
14%
Intergovernmental Panel on Climate Change
14%
city
13%
municipal solid waste
12%
municipality
11%
greenhouse gas emissions
10%
landfill
10%
greenhouse gas
10%
carbon dioxide
9%
environmental impact
9%
methane
9%
organic matter
8%
degradation
8%
calculation
6%
project
6%
Engineering & Materials Science
Biogas
100%
Greenhouse gases
25%
Biological materials
16%
Municipal solid waste
16%
Land fill
14%
Spreadsheets
14%
Climate change
13%
Gas emissions
12%
Environmental impact
11%
Methane
11%
Carbon dioxide
11%
Degradation
8%
Chemistry
Greenhouse Gas
16%
Solid Waste
15%
Organic Matter
13%
Methane
9%
Carbon Dioxide
9%
Volume
7%
Amount
5%