Changes to Earth’s landscape occur constantly, some due to natural phenomena and others because of the choices we make. A better understanding of the impacts of our decisions and the dynamics of nature will equip us to ensure a sustainable future. Individual choices can affect places near and far, from our own backyards to the Arctic ice cap, from the rainforests to the bottom of the ocean. To learn what scientific research is uncovering about the impact of human activity on the environment, read these articles and you’ll be able to make your own informed decisions.