It’s not a requirement to eat animals, we just choose to do it, so it becomes a moral choice and one that is having a huge impact on the planet, using up resources and destroying the biosphere.
James CameronNature's not our enemy, it's our sustenance; and we need it - and we need nature healthy for us to be healthy and to survive long term
James CameronYou can have a strong economy or you can help the environment, but you can't do both at the same time. That's ridiculous. In fact, as a sustainable vision for a healthy economy has to involve changing our energy policy and changing with respect to the natural world. Because we're hitting nature's thresholds, we're hitting nature's limits with respect to water and crop yields and energy use and fossil fuels heating the atmosphere at the same time we're past global peak and running out of that.
James Cameron