The prime directive of evolution might well be survive and reproduce, but the Golden Rule of Evolution most applicable to human culture for determining what is good and what is bad is something quite different.
In the face of global warming and climate destabilization we must keep our minds open to new energy sources. We may have to even temporarily use stepping-stone and transitional energy sources such as nuclear energy until we can go completely green energy sometime in the future.
Integrity as I define it: is to embrace, accept, and articulate your own deepest being. The journey of courage is to create the space to stay attuned to your own deepest essence, stardust awakening in matter, and extend that expression to the world.