John Kerry, the U.S. Special Presidential Envoy for Climate, has suggested that the United States is on the brink of needing to declare a climate emergency. In his statement, Kerry emphasized the urgency of the situation, stating, 'We're on the brink of needing to declare a climate emergency, which is what we really have. And we need to get people to behave!' This call for action highlights the severity of the climate crisis as perceived by Kerry and underscores the need for immediate behavioral changes to address the issue.