The Trump administration is taking another swing at coal regulations, announcing that it plans to ditch an Obama-era rule that set pollution limits for new coal-fired power plants.

The mega-retailer says plans to install solar panels at nearly two dozen sites across Illinois will represent a 25-percent increase in the state’s current solar capacity.

Chicago is seeking proposals to install solar panels on 30 acres of previously developed land in Austin, Englewood, West Pullman, Riverdale and South Deering. 

Chicago has become the seventh city in the world to receive top-level certification for its sustainability efforts focused on green buildings.

A new report from an environmental advocacy group criticizes Illinois and more than two dozen other states for adopting renewable energy plans that allow for dirty energy sources. 

Hours before the resignation Thursday of EPA head Scott Pruitt, a federal judge ruled that Pruitt had violated the Clean Air Act by allowing Illinois and two other states to avoid conflict-of-interest rules. 

A machine developed at the Illinois Institute of Technology will help scientists search for elusive new particles that could reshape physicists’ understanding of how the universe operates. 

Despite the industry’s recent decline and new tariffs, Illinois’ solar market is expected to grow significantly in the coming years, according to a new report. 

Chicago could see a significant increase in electric cars by the end of the next decade, but drivers will need the city to install thousands of new charging stations to keep those cars on the road.

A new city report on energy use by buildings shows progress toward reducing carbon emissions that contribute to global warming.

The number of solar jobs in Illinois – and the U.S. as a whole – decreased last year, but experts are still optimistic about the industry’s future.

Chicago’s tallest building is being recognized for its standing atop another category: energy efficiency.

A coalition of environmental advocacy groups in Illinois hopes to put the brakes on a Rauner administration proposal that would relax pollution rules for eight downstate coal plants owned by Dynegy Inc.

ComEd should be allowed to proceed with plans to build a first-of-its-kind microgrid in Chicago’s Bronzeville neighborhood, a state legal authority said this week. But environmental and consumer advocates aren't satisfied with the project. 

President Donald Trump’s new tariff on imported solar panels will slow – but not stop – the growth of Illinois’ solar industry, experts say, thanks in large part to the state’s recently passed clean energy law.

Babies born within 2 miles of a fracking site are more likely to suffer negative health effects, according to a new study co-authored by a professor at the University of Chicago.