The Obama administration is establishing a new federal Climate Service to suppport national, state and local action on climate change, officials announced last week.
The Environmental Protection Agency's announcement sets the stage for federal regulation of industrial CO2 sources like coal-fired power plants, refineries and factories.
Climate change topped headlines in Washington and around the world this week.
Video: Residents of Santa Barbara march against global climate change as part of 350.org actions.
Over 200 people braved rain and wind on the historic New Haven Green October 24 for International Day of Climate Action.