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U.S. State Climate Action Plans

33 states have released a climate action plan or are in the process of revising or developing one. This includes 29 states that have released plans and 4 states that are updating or developing their plans. Climate action plans generally …

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U.S. State Greenhouse Gas Emissions Targets

A greenhouse gas (GHG) emissions target is a state-level goal to reduce emissions by a specific amount by a pre-determined date. The targets can cover all greenhouse gas emissions or specific gases (e.g., carbon dioxide only). The targets can be …

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U.S. State Clean Vehicle Policies and Incentives

The transportation sector became the largest source of U.S. greenhouse gas (GHG) emissions in 2016. Driven by increased travel demand, low fuel prices, and urban sprawl, transportation emissions grew about 23 percent between 1990 to 2019. To change this trajectory, …

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Billion-Dollar Extreme Weather Events

This map and related materials pertaining to all types of extreme weather can be found here. Last updated January 2022

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U.S. State Carbon Pricing Policies

Compared to command-and-control regulations, carbon pricing is a market-based mechanism that creates financial incentives to reduce greenhouse gas (GHG) emissions. Twelve states that are home to over a quarter of the U.S. population and account for a third of U.S. …

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RGGI states

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U.S. State Electricity Portfolio Standards

Thirty states and the District of Columbia require electric utilities to deliver a certain amount of electricity from renewable or other clean electricity sources. Most of these requirements take the form of either: a renewable portfolio standard (RPS)—adopted by 20 …

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State of World Carbon Pricing

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Canadian Province Climate Policy Maps
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Low Carbon and Alternative Fuel Standard

The transportation sector is the largest source of U.S. greenhouse gas emissions. While transportation sector emissions have fallen by 6.1% from their 2005 peak, transportation sector emissions grew about 21.5% from 1990 to 2016, largely driven by increased demand for …

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