davidyellen.bsky.social
@davidyellen.bsky.social
Energy, Politics, and Boston sports. Currently Climate Policy Innovation Director @ Clean Air Task Force. From MA. #HoyaSaxa. Opinions are my own.
Reposted
Trump promised energy dominance and lower prices, but sweeping tariffs do the opposite. In a policy brief for @cleanaircatf.bsky.social, David Yellen and I outline how they raise costs, chill investment, and stall manufacturing. We also suggest smarter policy options: www.catf.us/resource/pol...
Policy Brief: How Tariffs are Undermining U.S. Energy and Economic Security
The wide-ranging tariffs that the Trump administration has sought to impose will make U.S. energy more expensive and disrupt energy security.
www.catf.us
June 4, 2025 at 11:53 AM
Reposted
As the U.S. works to build a cleaner, more secure energy system, misguided trade policy is getting in the way.

Tariffs are inflating costs, slowing deployment, and threatening U.S. energy and economic security.
www.catf.us/resource/pol...
Policy Brief: How Tariffs are Undermining U.S. Energy and Economic Security
The wide-ranging tariffs that the Trump administration has sought to impose will make U.S. energy more expensive and disrupt energy security.
www.catf.us
June 4, 2025 at 1:11 PM
Reposted
Decarbonising the global transportation and logistics sector is a significant challenge, particularly in the aviation and maritime industries. CATF’s David Yellen joined Oman Sustainability Week and The Economist Intelligence Unit to discuss pathways to get the sector on track.
May 21, 2025 at 4:36 PM
Reposted
The U.S. withdrawal from the Paris Agreement and retreat from international institutions doesn’t just jeopardize global climate action – it threatens America’s economic and geopolitical future.
April 15, 2025 at 6:24 PM
Reposted
The benefits of staying engaged – economic, diplomatic, and strategic – far outweigh the costs.

Read the full piece 👇
www.catf.us/2025/04/pull...
Pulling out of Paris surrenders more than just climate leadership
The biggest loser from withdrawing from the Paris Agreement and from international clean energy and climate efforts is the U.S. itself.
www.catf.us
April 15, 2025 at 6:24 PM
I'm honored to represent @cleanaircatf.bsky.social on the Dept. of Commerce’s Environmental Technologies Trade Advisory Committee, alongside a phenomenal group of advisors:

t.co/KDrWdQZJX6
https://www.commerce.gov/news/press-releases/2024/12/us-secretary-commerce-appoints-new-advisors-environmental-technologies
t.co
December 11, 2024 at 9:56 PM