You should know what is taken out of the ecosystem in order to give you a moment's sustenance.
Sylvia EarleFor humans, the Arctic is a harshly inhospitable place, but the conditions there are precisely what polar bears require to survive - and thrive. 'Harsh' to us is 'home' for them. Take away the ice and snow, increase the temperature by even a little, and the realm that makes their lives possible literally melts away.
Sylvia EarleThere's plenty of water in the universe without life, but nowhere is there life without water.
Sylvia Earle