Earth & Environmental Sciences
afforestation
61%
analysis
55%
arsenic
48%
Asia
44%
biofuel
28%
carbon
67%
carbon stock
59%
clean development mechanism
75%
contingent valuation
21%
cost
22%
developed country
35%
developing world
32%
development project
58%
drinking water
84%
economics
63%
economy
21%
electric vehicle
36%
emission reduction
40%
energy conservation
22%
energy saving
58%
energy technology
80%
environmental consequence
65%
environmental quality
34%
evaluation
52%
forestry
54%
globalization
63%
greenhouse gas emissions
21%
harvest
24%
income
48%
integrated approach
27%
macroeconomics
35%
ozone
43%
passenger transport
39%
policy
41%
pollution
35%
prediction
27%
price
45%
program
29%
project
86%
project management
33%
reforestation
63%
soil carbon
56%
subsidy
30%
tax incentive
43%
technological development
57%
timber
54%
time series analysis
59%
transition
34%
vehicle
43%
water quality
36%
Agriculture & Biology
afforestation
69%
carbon sequestration
10%
carbon sinks
77%
compliance
11%
contingent valuation
33%
copper
43%
degradation
5%
drinking water
64%
economies of scale
15%
forest soils
63%
fractionation
7%
funding
12%
greenhouse gas emissions
15%
households
20%
hydrology
6%
iron
24%
Korean Peninsula
17%
land use
8%
land use change
11%
landfills
5%
methodology
6%
mined soils
7%
Pinus densiflora
75%
plantations
11%
planting
7%
protocols
9%
reforestation
67%
soil carbon
66%
soil organic carbon
5%
sulfates
28%
United Nations Framework Convention on Climate Change
26%
United States Environmental Protection Agency
14%
vegetation
6%
water
27%
water quality
54%
water quality standards
16%
water supply
11%
water treatment
11%
willingness to pay
100%
