Identifying Rhetorical Strategy in Climate Action Speech

In the following excerpt from a political speech, the speaker employs various rhetorical strategies to appeal to a sense of urgency regarding climate change:

'Every moment we delay action is a moment we risk the future of our planet. We stand at a crossroads—one path leads to irreversible damage, while the other opens the door to innovation and sustainability.'

Which rhetorical strategy, primarily, is the speaker utilizing to emphasize the need for immediate action?