you have people that are concerned about biodiversity;

有的担心生物多样性
people concerned about animal welfare;

有的关心动物福利
and then of course you got the whole public health overlay with

当然还有在整个公共卫生层面
people concerned about the effects of food

那些担心食物
on physical and mental well being in people.

对人身心健康的影响的人
All these different philosophies or conceptual approaches are passions

这些不同的哲学概念都是源于
that people have get played out in different ways people organize,

不同的组织方式下人们所迸发出的热情
so there are different groups that represent each of these different areas.

所以有不同团体代表着不同的层面
One thing that hasn't happened is that

有一件事情还未发生那就是
these groups come together around a common goal:

这些团体为了一个共同目标而结合在一起
the common goal would be better food.

这个共同目标就是更好的食物
We've talked at The Rudd Center

我们在路德中心探讨过