Having navigated for so many years by the maps of my mentors, I now steer my own course – infusing the old with wisdom appropriate to the new issues of our changing times. The ancient monastic code that I honour remains the cornerstone of my life but I will not grow wise adhering to it blindly or literally. Just being able to keep a set of rules is no barometer of spiritual integrity. Core to my training has been self-inquiry. I must apply rigorous and unremitting introspection, weighing the karma of every choice I make and its effects on others as well as myself. To be morally accountable, I constantly ask, “Am I living with awareness? Gratitude? Commitment? Compassion?” But these questions now fall short. It is no longer enough to be aware, grateful, committed, and compassionate – sitting under a tree meditating to purify my mind – when the trees, earth, air, and water are endangered. I may have let go worldly aims and values, but I cannot abdicate my individual responsibility to humankind nor ignore the imminent danger of global warming to our planet. Threatened with a tipping point of unprecedented ecological collapse, it is incomprehensible that I should pursue my spiritual goals as if all were well. Some Buddhists speaking to me about climate change preach impermanence, “We’re all going to die anyway,” – a logic true, but also spurious and unthinking. What it really suggests is that “It’s not my problem.” But it is. Today this is not someone els...