
Series
Carbon Quarterly
Carbon Quarterly is a newsletter covering developments in carbon policy, law, and innovation. No matter your views on climate change policy, there is no avoiding an increasing focus on carbon regulation, resiliency planning, and energy efficiency at nearly every level of government and business. Changes in carbon—and more broadly greenhouse gas—policies have the potential to broadly impact our lives and livelihoods. Carbon Quarterly offers a rundown of attention-worthy developments.
Thought Leadership
Under Secretary Doug Burgum, the Department of the Interior (DOI) has quickly moved to implement Sections 4 and 5 of President Trump’s 7 July Executive Order 14315 titled “Ending Market Distorting Subsidies for Unreliable, Foreign-Controlled Energy Sources.”
On 15 August 2025 the IRS released Notice 2025-42 (the Notice), which restricts the methods that developers of wind and solar projects can use to determine whether they have begun construction for purposes of the section 45Y production credit and the section 48E investment credit on and after 2 September 2025.
On 2 April 2025, President Trump announced a series of “reciprocal” tariffs on US imports from all countries. The tariffs apply at different rates by country, starting at a baseline of 10% and reaching as high as 50%.
This webinar discusses the history and implementation of the ADA, with a focus on compliance and best practices.