Sound Mesh Hackathon Ride

Calling all techies, solar punks, audio wizards, and anyOne who knows you cannot be replaced by a robot …

​For many moons and solar returns, Bike-partyers from aRound the world have embarked on deep-space exploration seeking a way of connecting sound bikes and speakers on the move…

​Some have cracked the code, others want to try out some new gadgets, others just want to boogie through the city on wheels.

​During this year’s DC Climate Week, solarpunk dc and our fellow volunteers at DC Bike Party will gather in the first of a series of ~hackathons to see if it can be done Here!

Meet at DuPont Circle Fountain

solarpunk dc
District of Columbia
04/24/2026 at 06:30PM

Networking for Climate Action

​The Center for Clean Air Policy (CCAP) is hosting a free networking event for climate policy professionals and leaders in the Washington, DC area as part of DC Climate Week. Join us for drinks, conversation, and an evening of connecting with others working to advance climate action.

​CCAP is a nonprofit think tank celebrating its 40th anniversary in 2026. Our mission is to support every step of climate action—from ambition to implementation—by helping translate climate goals into practical solutions.

RSVP

700 K St NW, Washington, DC 20001

Center for Clean Air Policy
District of Columbia
04/23/2026 at 05:30PM

Stop Greed, Build Green Happy Hour

Join Climate and Community Institute, Lead Locally, and Groundwork Action for our Stop Greed, Build Green Happy Hour!

With prices unsustainably high on everything from energy to food, it’s time to stop greed and build the sustainable, healthy economy we all deserve.

Join friends new and old at Dirty Habit on April 23rd at 5pm to hear more about CCI’s just-launched Stop Greed Build Green, a strategic framework and agenda putting working people in charge of the economy and the climate transition.

Come out to forge connections to take back control of our economy.

Dirty Habit
555 8th Street Northwest

Washington, DC 20004

Climate and Community Institute
Lead Locally
District of Columbia
04/23/2026 at 05:00PM

Budget Hearing - Department of Commerce

Subcommittee hearing.

Witness:

  • Howard Lutnick, Secretary, U.S. Department of Commerce

Department of Commerce Budget request:

House Appropriations Committee
   Commerce, Justice, Science, and Related Agencies Subcommittee
2358-A Rayburn

04/23/2026 at 11:00AM

Postponed: The President's 2026 Trade Policy Agenda

Full committee hearing. Postponed after late-night passage of ICE-CBP reconciliation bill.

Witness:

  • Jamieson Greer, United States Trade Representative, Executive Office of the President
Senate Finance Committee
215 Dirksen

04/23/2026 at 11:00AM

Markup of FY27 National Security, Department of State, and Related Programs Bill and the FY27 Agriculture, Rural Development, Food and Drug Administration, and Related Agencies Bill

Joint subcommittee markup.

Budget request:

House Appropriations Committee
   Agriculture, Rural Development, Food and Drug Administration, and Related Agencies Subcommittee
   National Security, Department of State, and Related Programs Subcommittee
H-140 Capitol

04/23/2026 at 08:00AM

Community Choice Energy Alliance Congressional Networking Reception

Community Choice Energy Alliance (CCEA) is the national nonprofit organization representing nearly 20 million residential, commercial, and industrial electricity customers served by Community Choice Aggregation (CCA) programs across California, Illinois, Massachusetts, New Hampshire, New Jersey, New York, Ohio, and Rhode Island. More info on CCEA can be found at: https://www.nationalccea.org/.

​CCEA is hosting a Congressional Networking Reception on Wednesday, April 22 at 2044 Rayburn House Office Building from 5:30pm-7:30pm. Connect with CCA leaders from across the country advancing energy independence, protecting consumers, promoting competitive pricing, and driving local economic development.

​Refreshments will be served at this widely attended event. No RSVP required.​

RSVP

Community Choice Energy Alliance
2044 Rayburn
04/22/2026 at 05:30PM

A Review of the President’s Fiscal Year 2027 Budget Request for the Department of Energy

Subcommittee hearing.

Witness:

  • Christopher Wright, Secretary, Department of Energy

Budget request

The Budget requests $53.9 billion in discretionary budget authority for DOE, a $4.8 billion or nearly 10-percent increase from the 2026 enacted level excluding the Working Families Tax Cut Act (WFTC) funding. Within the requested amount, $32.8 billion is allocated to the National Nuclear Security Administration (NNSA), a $3.6 billion or 12-percent increase from the 2026 enacted level (including WFTC funding). The remaining $21.1 billion refects a $2.7 billion or 11-percent reduction from the 2026 enacted level.

IIJA funds redirected to $3.5 billion to “deploy firm baseload power” and $1.2 billion for AI to support seven AI supercomputers at the Argonne and Oak Ridge National Laboratories.

The Budget reproposes the cancellation of $15.2 billion in IIJA funding.

DOE abolished the EERE office in 2026.

Office of Science (–$1.1 billion): The Budget eliminates funding for climate change research.

Advanced Research Project Agency-Energy (ARPA-E) (–$150 million).

The Budget prohibits the use of Federal funds for subscriptions to academic journals unless required by Federal statute or approved in advance by a Federal agency

Senate Appropriations Committee
   Energy and Water Development Subcommittee
124 Dirksen

04/22/2026 at 02:30PM

Domestic Pollution Control Laws and the Mining and Recycling Industries

The Subcommittee on Environment will hold a hearing on April 22, 2026, at 2:00 pm in 2123 Rayburn House Office Building. The hearing is entitled, “Help or Hindrance? The Impact of U.S. Environmental Laws on Critical Material Supply Chains, National Security, and Economic Growth.”

Hearing memo

Witnesses:

  • Josh Gubkin, Associate General Counsel, Redwood Materials
  • Jane Neal, Senior Vice President, AMG Vanadium
  • Chris Lehman, Chief Development Officer, Principal Mineral
  • Beia Spiller, Fellow, Transportation Program Director, Resources for the Future

The Resource Conservation and Recovery Act (RCRA) provides a national framework for the management of solid waste and hazardous waste, including policies to promote the reduction of waste at the source, recycling, and energy recovery first before treatment and disposal.

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA, also known as the Superfund law) provides authority for responding to releases or threatened releases of hazardous substances to the environment, and for the assignment of liability and responsibility for remediating the contamination.

The Clean Air Act (CAA) provides EPA authority to regulate the emissions of certain air pollutants from stationary and mobile sources, including authority to regulate emissions of hazardous air pollutants and other emissions from industrial sources.

The Safe Drinking Water Act is the main federal law regulating drinking water and protecting drinking water sources.

House Energy and Commerce Committee
   Environment Subcommittee
2123 Rayburn

04/22/2026 at 02:00PM