Assessing the planet's condition.
Brown
L R
LR
D002980:Climate; D003247:Conservation of Natural Resources; D003710:Demography; D004736:Energy-Generating Resources; D004777:Environment; D004787:Environmental Pollution; D017752:Greenhouse Effect; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth
Carrying Capacity; Climate; Deforestation; Demographic Factors; Energy Supply; Environment; Environmental Degradation; Environmental Pollution; Global Warming; Natural Resources; Population; Population Dynamics; Population Pressure; Population Size; World; Zero Population Growth