U.S. Fish and Wildlife Service decision to not provide Endangered Species Act protections for the Joshua tree is illegal, sidesteps climate science.

Enter the Decision Tree. This humble tool, often overshadowed by its flashier cousins like the Fishbone Diagram, quietly continues to guide sharp thinkers through murky waters.

Assign a numerical value to each possible outcome on the tree. Use dollar amounts for outcomes. For example, if one outcome would gain the company $100,000, mark "$100,000" next to it.

U.S. District Judge Wesley L. Hsu ruled Monday that the USFWS decision to not provide ESA protections for the Joshua tree is illegal and sidesteps climate science.