This environmental issue in latin america has been carried out primarily by the cattle industry. this is because cattle need large amounts of room for grazing

With its vast areas of pasture, favourable climate pattern and rational use of inputs, including grains (corn, soybean) and fertilizers, Latin America has all the natural ingredients to be a major livestock producer, to meet food demands and to ensure regional and world food security

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.