Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.
出自-2013年6月閱讀原文
Indians likewise had the traditional life taken from them by white settlers who often encourage them to consume alcohol to prevent them from fighting back.
出自-2013年6月聽力原文
Why did white settlers introduce alcohol to Indians
出自-2013年6月聽力原文