“We haven't yet learnt to take care of Earth, yet we are now headed for Mars as colonizer. With the money it'll take to get to Mars, we can literally end world hunger.” EnvironmentMarsEnvironmentalismMother NatureNaturalismEarth DayEnvironmental ConservationWorld Environment DayEnvironment Degradation Book:Giants in Jeans: 100 Sonnets of United Earth Source: Giants in Jeans: 100 Sonnets of United Earth