Tone Analysis of a Climate Change Speech

Read the following excerpt from a speech on climate change:

"Ladies and gentlemen, we stand at a precipice; our time is fleeting. Each day, we witness the earth's suffering, from the melting glaciers to the rising seas. This is not just a crisis for the present; it is a catastrophe that will echo through the ages, affecting generations we have yet to meet. We must rise to this challenge with urgency, determination, and hope. We owe it to those who will follow us to be their stewards, unveiling the beauty of this planet rather than corrosively molding it in our image."

Consider the tone and style of the passage. Which of the following best describes the overall tone of the excerpt?