With climate change threatening to change our world as we know it, there has never been a more urgent need for environmental scientists. This year, Maclean’s has ranked the best universities in 10 program areas—including environmental science. Using hard data provided by academic publishing company Elsevier and our own reputation survey sent out to academics, we score where to study to reach the top in your desired field. Click through the gallery below to find out which universities to attend to get the best degree for your buck. For a better understanding of the rankings, check out our methodology. Click here to see more program rankings. Click here for the 2017 program rankings.