We talk a lot about protecting and safeguarding the environment, about the importance of organic foods, and so on. The point, however, is not just to talk about it, but to make sure that we actually do take care of our environment. What we do will have very far reaching consequences, affecting even the most subtle forms of life on this planet. We need to prevent future disaster, and to do that we must first of all seek to understand what direction we are moving in. We must try to identify where things have gone wrong and discuss how we can best restore and improve wherever there are problems. In this way, we way we can make sure that the future is a happy one. If the outer environment is healthy and in balance, the physical well-being of all who inhabit it can also improve, and this, in turn, allows for peace of mind, kind heartedness, and brightness of the mind. In short, we can come to experience true joy and fulfilment.
On the other hand, what prevents this is, basically, human craving and selfishness: Having no concern for what may happen later; simply thinking that the elements are there to be exploited; for me to become as rich as possible - even if it means poisoning the world -- that type of selfish attitude. So what we think and do matters. (read more)
Chökyi Nyima Rinpoche