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