In short, since colonialization began.
“In 1500 there were an estimated 6 million to 9 million indigenous people inhabiting the rainforests in Brazil. When Western and European cultures were drawn to Brazil’s Amazon in the hopes of finding riches beyond comprehension and artifacts from civilizations that have long since expired with the passage of time, they left behind decimated cultures in their ravenous wake. By 1900 there were only 1 million indigenous people left in Brazil’s Amazon.
Since 1980 the global economy has tripled in size and the world population has increased by 30 percent. Consumption of everything on the planet has risen- at a cost to our ecosystems. In 2001, The World Resources Institute estimated that the demand for rice, wheat, and corn is expected to grow by 40% by 2020, increasing irrigation water demands by 50% or more. They further reported that the demand for wood could double by the year 2050; unfortunately, it is still the tropical forests of the world that supply the bulk of the world’s demand for wood.
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