An ordinance to protect residents from a potentially brain-damaging pollutant is passed by the City Council. But does it go far enough?

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. 

The Chinese tech company Foxconn wants to withdraw 7 million gallons of water a day from Lake Michigan for its proposed new Wisconsin plant. But would that violate the compact to protect the Great Lakes?

From kindergartners to college professors, citizen scientists helped Field Museum researchers examine more than 100,000 plant samples that could hold clues to key scientific questions. 

The Chicago River is cleaner today than it has been in generations, but “cleaner” is a relative term. One local advocacy group wants the city to aim for a trash-free river.

Air pollution kills more than one million people every year in India. A team of Chicago students are now developing an app they think will give Indians the tools needed to confront the deadly problem.

A new investment strategy calls for Chicago to redirect funds toward companies that prioritize environmental responsibility and social causes, but local climate activists say the plan falls short.

A brain-damaging pollutant found at high levels near thousands of Southeast Side homes would be banned at future industrial sites under a new ordinance introduced by city officials Wednesday.

Recently introduced legislation would update Illinois’ fracking law to increase protections for land owners and require more information from oil and gas companies applying for fracking permits.

Despite a commitment from the state’s top environmental official, Illinois EPA will not hold public meetings to gather input on the state’s plan for spending $107.8 million in Volkswagen settlement money.

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.

Mayor Rahm Emanuel joined 230-plus mayors Tuesday in formally opposing the Trump administration’s proposed repeal of the Clean Power Plan, which aims to reduce carbon emissions that contribute to climate change.

Legislation filed this week would give Illinois officials a deadline for deciding how the state will spend $108.7 million from a national settlement with Volkswagen over the German automaker’s emissions scandal. 

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.