you cannot destroy absolutely the environment. must cherish the nature, with the animal, the plant is together peacefully, protects the environment effectively, otherwise, you will be able to be very dangerous.
looking some picture on-line I feel unimaginably! Why some Danes to kill dolphins to celebrate the puberty rite? You donot understand the marine food chain itsself how to run very well, if the dolphins is surplus, then killer whale will eat them to maintain order,we canot kill them, canot you wish someday the sea will be bloody instead of drinking water? When an adult bear attack at an adult, if you donot have any weapon,believe me, you arenot their “opponent”, if you are a REAL man ,have high level of skill to against lion, tiger or leopard without any arms, you won the game fair and square.hence you cannot destroy absolutely the environment.