Overall, environmental science is the field of science that studies the interactions of the physical, chemical, and biological components of the environment and also the relationships and effects of these components with the organisms in the environment.
1 Add sliced onions to a medium bowl. 2  Pour enough boiling water over onions so that they are covered. 3  Count to 10 then drain. 4  Add onions to glass jars or a bowl. 5  Toast cinnamon, cloves and the red pepper flakes in a small saucepan over medium heat until fragrant, 3 to 5 minutes.
I also minced some onion and set it in a bit of sherry vinegar to quickly pickle, which takes about 15 minutes. You can let it stand longer, it'll just get more and more tender as it sits. These onions give us little pops of acidity in the pasta salad without having the pasta itself taste tart.