Earth & Environmental Sciences
solar cooker
100%
water purification
64%
energy use
58%
household
30%
analysis
14%
water treatment
11%
drinking water
9%
waterborne disease
8%
Sustainable Development Goal
7%
water scarcity
6%
smoke
6%
water
5%
irradiation
5%
water supply
4%
health
4%
province
3%
policy
3%
economics
3%
summer
3%
project
3%
energy
2%
comparison
2%
method
1%
Engineering & Materials Science
Purification
62%
Cooking
51%
Boiling liquids
33%
Water
29%
Potable water
27%
Water treatment
27%
Ladders
13%
Water supply
13%
Irradiation
11%
Smoke
11%
Sustainable development
9%
Health
8%
Economics
7%
Social Sciences
water
43%
energy
37%
China
33%
Water supply projects
12%
Water scarcity
10%
district
9%
health consequences
8%
lack
7%
SPSS
6%
sustainable development
5%
illness
5%
resident
4%
economics
2%
Group
2%