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humans settled to become farmers instead of nomadic hunter gathers ,this enabled them to have increasingly large population
and experiments with plants and animals -
During this time there was extensive use of stone tool an weapons for hunting purposes. boon tools have been discovered that were used during this period as well but these are rarely preserved in the archaeological record. The Stone Age is further subdivided by the types of stone tools in use. The Stone Age is the first period in the three-age system
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the Industrial Revolution transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. New machines, new power sources, and new ways of organizing work made existing industries more productive and efficient
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the green revolution took place from 1940's to 1960's
this resulted in increased food grains and boosted food production
but at many places extensive use of fertilizers also effected the environment -
IUCN (International Union for Conservation of Nature) was the first environmental movement with the target goal of protecting nature. It brought many governments together to think of new ideas on how to conserve our communities. This union was a fundamental part in the creation of other environmental conservation conventions.
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The Minamata disaster was an epidemic disease in Japan that affected thousands of people. This disease occurred due to mercury contamination from chemical pipelines that spilled into the water, affecting marine life and eventually people.
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The world celebrates the first World Environment Day on 5 June, under the theme “Only One Earth.” UNEP launches the Regional Seas Program to address the accelerating degradation of the world’s oceans and coastal areas through a “shared seas” approach.