When we talk about global crisis, or a crisis of humanity, we cannot blame a few politicians, a few fanatics, or a few troublemakers. The whole of humanity has a responsibility because it is our business, human business. I call this a sense of universal responsibility. That is a crucial point.
All of us living in today's world are facing an enormous crisis - arguably the greatest that humanity has ever faced - in the form of man-made global warming; one can't be neutral at such a moment. It's like claiming to be neutral if you're living in Germany in 1933.
There are some who esteem that it is a naivety to believe that a moral regeneration may be possible ("soit possible", Fr.); now, if this was not the case, it would not be worth the trouble that humanity continue to vegetate without aim.
During bad circumstances, which is the human inheritance, you must decide not to be reduced. You have your humanity, and you must not allow anything to reduce that. We are obliged to know we are global citizens. Disasters remind us we are world citizens, whether we like it or not.
Human freedom is realised in the adoption of humanity as an end in itself, for the one thing that no-one can be compelled to do by another is to adopt a particular end. - 'Metaphysical Principles of Virtue