Earth and Planetary Sciences
Emissions
100%
China
80%
Air Quality
53%
Methane
43%
Air Pollution
31%
United States
27%
Particular Matter 2.5
24%
Tropospheric Ozone
22%
Air Pollutant
21%
Radiative Forcing
21%
Carbon Dioxide Emission
20%
Black Carbon
18%
Climate Change
16%
Carbon Dioxide
15%
Energy Generation
15%
Nitrogen Oxide
13%
Surface Ozone
13%
Natural Gas
13%
Oil Well
11%
Gas Well
11%
India
11%
Mixing Ratio
11%
East Asia
10%
Pollutant Emission
9%
Emission Control
9%
North America
8%
Nitrous Oxide
8%
Crop Production
8%
Fossil Fuel
8%
Greenhouse Gas Emission
8%
Troposphere
8%
Emission Inventory
7%
Biomass Burning
7%
Food Security
7%
Global Warming
7%
Europe
7%
Crop Yield
7%
Nitrous Oxide
6%
Greenhouse Gas
6%
Atmospherics
6%
Nutrition Policy
6%
Electricity Generation
6%
Traffic Emission
6%
Renewable Energy
6%
Human Health
6%
Japan
6%
South Atlantic
5%
United States of America
5%
Climate Modeling
5%
Photochemical Reaction
5%
Keyphrases
China
94%
Air Quality
45%
Methane Emission
34%
Tropospheric Ozone
23%
Air Pollution
22%
Surface Ozone
20%
Radiative Forcing
19%
Carbon Black
18%
Climate Change
18%
Particulate Matter 2.5 (PM2.5)
17%
Aerosol
17%
O3 Concentration
17%
East Asia
17%
Premature Mortality
15%
Co-benefits
15%
Gas Well
14%
United States
14%
Agriculture
14%
Greenhouse Gas Emissions
13%
Intercontinental Transport
11%
Abandoned Oil Wells
11%
Carbon Mitigation
11%
Methane
11%
Developing Countries
11%
Air Pollutant Emissions
10%
Human Health
10%
Air Pollutants
10%
Health Benefits
10%
Food Security
10%
Emission Reduction
10%
CH4 Emission
10%
Residential Sector
9%
Ozone Exposure
9%
Power Sector
9%
Eastern China
9%
CO2 Emissions
9%
Quality Benefit
9%
Environmental Benefits
9%
Summertime
8%
Wheat
8%
Nitrogen Use Efficiency
8%
Chinese Coal
8%
Carbon Dioxide
8%
Natural Gas
8%
Greenhouse Gas
8%
O3 Exposure
8%
Coal Power
8%
Regional Air Quality
8%
Health Impact
8%
Public Health
8%
