Oral tradition has it that this is the site of the Brodess plantation where Harriet Tubman was born in 1820. Her parents, Benjamin and Harriet Green Ross, then slaves of Edward Brodess, were the grandchildren of Negroes who had come shackled from Africa in 1725.
Global warming is (1) opening up more land for economically feasible crop production and (2) creating beneficial growing conditions that are increasing yields per acre on agricultural lands. All the fear-mongering Internet myths in the world canât change those facts. You are using an outdated browser.
The effects of global warming are the environmental and social changes caused (directly or indirectly) by human emissions of greenhouse gases. There is a scientific consensus that climate change is occurring, and that human activities are the primary driver.ngoing effects include rising sea levels due to thermal expansion and melting of glaciers and ice sheets, and warming of the ocean surface, leading to increased temperature stratification. Other possible effects include large-scale changes in ocean circulation.