The program will include a multi-jurisdictional cap-and-invest program and aims to address environmental justice and equity concerns.
By Jean-Philippe Brisson, Joshua T. Bledsoe, Benjamin Einhouse, and Brian McCall

On December 21, 2020, the Governors of Massachusetts, Rhode Island, and Connecticut, as well as the Mayor of the District of Columbia, announced that their respective jurisdictions would establish the Transportation & Climate Initiative Program (TCI-P) and released a memorandum of understanding (MOU) describing the agreed-upon principles for adoption and implementation of the TCI-P. While not part of the MOU, the states of New York, New Jersey, Delaware, Maryland, Virginia, Vermont, Pennsylvania, and North Carolina released a statement signaling their desire to work with the states party to the MOU and the Transportation & Climate Initiative (TCI) in general. On March 1, 2021, the TCI released draft Model Rules for public review. Once finalized, the Model Rules are intended to be adapted for use by each TCI-P signatory jurisdiction via state-specific rulemaking processes.
The California Air Resources Board (CARB) is developing the Clean Miles Standard and Incentive Program (Clean Miles Standard), a first-of-its kind regulation designed to reduce greenhouse gas (GHG) emissions from ride-sharing vehicles and increase the use of zero-emission vehicles.
On January 19, 2021, on the eve of President Biden’s inauguration, in American Lung Association, et al. v. EPA, the US Court of Appeals for the District of Columbia Circuit overturned the Environmental Protection Agency’s (EPA’s) Affordable Clean Energy (ACE) Rule, which sought to replace the Obama Administration’s Clean Power Plan (CPP). Both rules would regulate carbon dioxide (CO2) emissions from existing electric generating units (EGUs) under Section 111(d) of the Clean Air Act (CAA).
On 9 December 2020, the UK Climate Change Committee (the Committee) published its 6th Carbon Budget (the Budget), as required under the Climate Change Act. The Budget provides ministers with advice on the volume of greenhouse gases the UK can emit during the period 2033-2037 and also contains policies designed to place the UK on track to achieving carbon neutrality by 2050.
On 22 September 2020, during a speech before the UN General Assembly, President Xi Jinping announced China’s commitment to become carbon neutral by 2060 and reaffirmed China’s commitment under the Paris Agreement to peak its carbon emissions by 2030. China is the world’s largest greenhouse gas (GHG) polluter and emitted approximately 10 billion tons of carbon dioxide in 2018, according to the Global Carbon Project. Given this, China’s commitment to become carbon neutral by 2060 would significantly reduce global GHG emissions and set the stage for China’s development of a green economy.
As the COVID-19 pandemic continues to cause economic disruption, the UK government (government) has established five working groups tasked with discussing and evaluating economic recovery measures. The groups will focus on five key themes, including “Green recovery: how to capture economic growth opportunities from the shift to net zero carbon emissions”.
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On 20 December 2019, the Dutch Supreme Court upheld the Court of Appeal ruling in the Urgenda case, determining that the Dutch State was required to reduce Dutch greenhouse gas emissions by 25%
At the 25th annual Conference of Parties (COP 25) United Nations Climate Summit, held in December 2019 in Madrid, non-governmental organizations (NGOs) and other groups submitted reports and studies on the latest developments in environmental technology. Several organizations, including the Innovation for Cool Earth Forum, the Global CCS Institute, and the National Petroleum Council of the United States, submitted reports on the use and future development of carbon capture, use, and storage (CCUS) technologies.
The Transportation & Climate Initiative (TCI), a regional collaboration of Northeast and Mid-Atlantic states and the District of Columbia, has advanced its program to reduce greenhouse gas (GHG) emissions from the combustion of transportation fuels. On October 1, 2019, TCI published a Framework for a Draft Regional Policy Proposal (the Policy Proposal).