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Climate Change

Climate Change in Washington

Ecology begins rulemaking on state's first-ever carbon limit

Sept 21, 2015 — Work that will help protect the state's land, air, water, public health, and economy from climate change is underway in Olympia. Ecology has formally begun writing a rule that would require the state's largest polluters to reduce their greenhouse gases. Ecology is considering businesses and organizations that are responsible for producing 100,000 metric tons or more of greenhouse gases be covered under the rule.

Learn more about the state's efforts to limit carbon pollution.

EPA sets pollution limits on power plants; Ecology leading Washington's planning effort

August 3, 2015 — The U.S. Environmental Protection Agency (EPA) has set the first ever carbon pollution limits for the nation’s existing power plants. EPA's rule is called the Clean Power Plan. Ecology's Air Quality program is leading development of the plan and outreach to stakeholders, interested parties and the public.

Read more about the Clean Power Plan and the development of Washington's plan to meet the new requirements.

What is climate change and what causes it? How is it affecting us, and how will it affect us in the future?

Cutting our greenhouse gas emissions is crucial to reducing the effects of climate change. Here's what we're doing in Washington and what you can do.

Climate change is happening now and will continue to happen. How are we preparing for climate change's impacts?

Climate change is altering the chemistry of ocean water, which has big impacts on Washington's marine life and economy.