John Kerry on Donald Trump
TL;DR
John Kerry views Donald Trump as a dangerous climate denier whose absence undermines global cooperation efforts.
Key Points
He criticized the then-President for repeatedly calling climate change a 'hoax' during a June 2016 statement on the Paris Agreement.
Kerry stated that the U.S. under the Trump administration was becoming a 'denier, delayer and divider' on climate change following the COP 30 summit in November 2025.
The former Secretary of State characterized the withdrawal from the 2015 Paris agreement as an 'act of extraordinary danger' to the country's global leadership and policies.
Summary
John Kerry has been a vocal and consistent critic of Donald Trump, particularly regarding his administration's approach to climate change and international agreements. Kerry asserted that under Trump, the United States transitioned from a climate leader to a 'denier, delayer and divider' on the issue. He strongly condemned the former president's declaration that climate change is a hoax, emphasizing that while politics can be bent, the laws of physics cannot be ignored, especially concerning rising global temperatures.
Kerry's opposition extends to the practical implications of Trump's policies, such as pulling the U.S. out of the Paris Agreement, which he argued frees other nations from the pressure to meet their own emission reduction commitments. He noted that the American absence from climate summits, like COP30, defeats the fundamental purpose of global gatherings, as the crisis requires worldwide economic galvanization to solve. Furthermore, Kerry has criticized the Trump administration's 'ineptitude' in managing relations with China, contrasting it with the need for dialogue and cooperation on shared global challenges.
Frequently Asked Questions
John Kerry's position is one of strong opposition to Donald Trump's climate change stance, viewing it as dangerous denialism. In a November 2025 address, Kerry characterized the U.S. under Trump as becoming a 'denier, delayer and divider' on the issue. He insists that one cannot bend the actual laws of physics, regardless of political opinion.
Yes, John Kerry strongly criticized Donald Trump for the decision to withdraw the U.S. from the 2015 Paris Agreement. According to remarks from 2016, Kerry called the potential withdrawal 'one of the most reckless, irresponsible, historically wrong acts I can think of.' He argued this action undermines global leadership and the necessary policies to combat the crisis.
Kerry expressed that the Trump administration's decision to skip the COP30 climate summit in 2025 meant the absence of U.S. leadership, which he felt defeated the fundamental purpose of such meetings. According to an interview in November 2025, he stated that when the United States pulls back, it releases other countries from the pressure of their climate commitments.
Sources3
John Kerry says US under Trump becoming 'denier, delayer and divider' on climate change; criticizes 'ineptitude' in China policy
As U.S. skips climate summit, John Kerry says absence undermines global cooperation
Kerry Criticizes Trump for Comments on Paris Climate Agreement
* This is not an exhaustive list of sources.