Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Climate Change

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  • Educational Resources

    Education, outreach, and engagement are critical when implementing and applying policies and regulations designed to reduce greenhouse gas emissions and identify new strategies to meet the state’s greenhouse gas emissions reduction targets

  • Transportation

    At 38 percent, the transportation sector is the largest source of Connecticut's greenhouse gas (GHG) emissions. To achieve needed reductions in transportation-related GHG emissions and pollutants, our collective actions must involve increasing the efficiency of vehicle technology, changing how we travel and move goods, and promoting the use of lower-carbon fuels.

  • Reducing Your Personal Transportation Emissions

    The majority of transportation energy consumed comes from passenger cars and light trucks. Therefore, reducing your personal transportation emissions can have large impacts on total transportation emissions in Connecticut.

  • CT Reports Archive

  • Climate Action Timeline for Connecticut

    A historical look back at climate action in CT

  • Residential Buildings

    In Connecticut, residential buildings account for thirty- three percent of total energy consumption. The majority of energy consumption is associated with space heating and cooling, appliances and lighting, and water heating and refrigeration.

  • New England Governors and Eastern Canadian Premiers (NEG/ECP)

    Eleven states and provinces within the New England Governor’s and Eastern Canadian Premiers (NEG/ECP) region have jointly produced a Regional Climate Change Action Plan.

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