During his presidency so far, Donald Trump has made headlines not just for his unconventional style but also for a sweeping reversal of U.S. engagement in global sustainability efforts. From withdrawing from the Paris Agreement to rolling back domestic environmental protections, Trump’s stance on climate policy marked a dramatic pivot away from the momentum built under previous administrations.

Now, with climate challenges intensifying and global cooperation more vital than ever, we’re left to ask: What did those withdrawals really cost us? And more importantly, what are the possibilities moving forward?

Second Withdrawal from the Paris Agreement: On January 20, 2025, President Trump signed an executive order titled “Putting America First In International Environmental Agreements,” directing the United States to withdraw from the Paris Climate Agreement for the second time.

Declaration of National Energy Emergency: President Trump declared a national energy emergency, allowing for the suspension of environmental regulations and expediting fossil fuel extraction projects.

Halting Offshore Wind Projects: An executive order was issued to halt leasing and permitting for offshore wind energy projects, impacting the development of renewable energy infrastructure.

Rollback of Environmental Regulations: The administration has initiated rollbacks of various environmental regulations, including those related to air pollution and emissions standards.

A Delayed but Not Defeated Climate Agenda

Trump’s actions undeniably delayed progress, especially at a time when climate science has underscored the urgency for rapid change. However, the sheer scale of backlash from scientists, activists, cities, and businesses has created a new wave of climate leadership—from the bottom up. Many U.S. states, corporations, and municipalities maintained or even increased their climate commitments in defiance of federal policy.

A More Resilient Environmental Movement

The withdrawal era forced environmental and sustainability advocates to rethink strategy. Rather than relying solely on federal leadership, we’ve seen:

• Localised green innovation.
• Shareholder activism demanding sustainable corporate practices.
• Increased investment in ESG (Environmental, Social, and Governance) strategies.

Ironically, Trump’s withdrawals may have helped galvanise a broader coalition of unlikely climate allies – including financial institutions and conservative-leaning municipalities – that now view sustainability not as ideology, but as risk management.

The Risk of Policy Whiplash

One danger of Trump’s rollbacks is the precedent they set: that climate policy in the U.S. can swing dramatically with each administration. This instability makes long-term planning difficult – for governments, businesses, and investors alike. If Trump or a similarly minded candidate wins future elections, the U.S. could again face a regression in sustainability leadership.

A Call for Hard Law and Binding Agreements

Another possibility? Trump’s legacy may encourage climate advocates to push for harder legal protections – turning voluntary or executive-led initiatives into binding legislation that can’t easily be undone. For example, codifying emissions targets into law or creating bipartisan-backed green infrastructure bills could insulate climate progress from political whims.

Trump’s withdrawals from sustainability initiatives were more than symbolic, they altered the trajectory of U.S. climate leadership at a pivotal moment. But they also exposed the fragility of progress built on executive orders and public goodwill.

The possibilities now are twofold. On the one hand, we risk continued instability in environmental policy. On the other, we have a unique opportunity to build a more grounded, resilient, and bipartisan foundation for sustainability – one that endures beyond political cycles.