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In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.

Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?

Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.

Kate Knuth's career in addressing climate change, which took her to the Minnesota Capitol as a state legislator, has now led her to the MPCA as its new climate director.

From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.

A gateway to common regulatory information that affects stationary engines.

What consumers should know about new Minnesota laws prohibiting PFAS in consumer products and the MPCA’s efforts to minimize PFAS pollution by keeping it out of commonly used household products.

To prevent food waste at its veterans homes, the Minnesota Department of Veterans Affairs used a $185,000 MPCA grant to purchase new meal-ordering technology.

Composting your Halloween jack-o'-lantern is a good way to keep it out of the landfill. So is giving it to a local farmer.

Volunteers across Minnesota’s 87 counties have been collecting pine needles from coniferous trees in their neighborhoods to help the Minnesota Pollution Control Agency better understand how to protect Minnesotans from PFAS pollution.

Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

This Winnebago River consists of a stream and lake system in southern Minnesota that flows into Iowa. The water resources here face several water quality challenges, including high nutrient and bacteria levels.

From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.

Minnesota GreenCorps members serving with the City of Minneapolis developed a mini-course for residents about responsible use of deicing salt.

MPCA Environmental Assistance grant program puts spotlight on mend-it clinics and other reuse and waste reduction efforts.

Biosolids that will be applied to land must meet strict regulations and quality standards.

Some permittees are receiving phishing attacks claiming to be from the EPA. How to spot a phishing attack and what to do about it.