When did sustainability begin?

What keeps some people from transition to a higher category of labor? What happened to the environment after the eruption of mount Vesuvius in 79 AD? What has been the common theme underlying various meanings of society? What did Malala Yousafzai agree to do in 2008? What are some interview questions to ask about child labour? Are machines fitted with silencers? Where is the greenhouse located? What families are statistically the most likely to live below the poverty threshold? Why should illegal immigrants should not stay? What does a bundle of switches on your doorstep mean in KKK ritual? Do household cleaning products pollute soil and groundwater? A nonuniform beam of length 30 ft and weight 100 lbs has a center of mass 8 ft from the left end 1 Find the resulting torque caused by the weight of the beam if the beam is supported at its left end? How did Griots contribute to West African societies? How many people lost the jobs because of the bp oil spill 2010? Are human rights respected in all countries throughout the world? What is the function of a consulate? Which of these countries is poor and almost entirely isolated by the Himalayas? What helps make polluted water drinkable? What percentage of the earth's water is salty? Is National Labor Relations Board still around today?