In the face of potential climate catastrophe, some have questioned whether it’s moral to become a parent — is such a burden fair to the broken planet, or to the child who would inherit it? But Sarah Myhre, a climate scientist in Seattle and the mother of a 6-year-old son, rejects this line of thinking. You can’t save humanity by abandoning it, she says, and these sorts of messages are harmful to the children who are already here.