Climate

EPA moves to weaken landmark fuel efficiency rules
The EPA is rejecting landmark fuel efficiency rules for automobiles, a key part of President Obama's efforts to address climate change. The move could lead to another legal battle with California.
Crucial habitat has been cut apart, alien species have invaded places, chemicals have hurt plants and animals, wetlands and mangroves that clean up pollution are disappearing, and the world's waters are overfished, one scientist says.
Shorter winter may impact Minn. fisheries, bring more toxic algae
Decreasing ice seasons could mean major changes for Minnesotans' prized lakes by impacting fishing and increasing the prevalence of toxic algae blooms.
What happens in the Arctic doesn't just stay there
This week's an extra wintry Climate Cast. We'll discuss how Arctic changes drive extreme winter weather, the psychology of climate change and how the cold drives a huge winter recreation industry.
Are there zombie viruses in the thawing permafrost?
There's a new fear from climate change: Bacteria and viruses buried in frozen ground coming back to life as the Arctic warms up. We went digging in permafrost to find out how worried we should be.
Is there a ticking time bomb under the Arctic?
Just what exactly is permafrost? And what is happening now that it's warming up? To find out, we enter the Arctic circle's secret world of ice and frozen history.
Facing massive storm costs, how resilient is the insurance industry?
The cost of storms fueled by climate change exceeded $300 million last year. We discuss what that means for the insurance industry, plus the implications of too much winter salt and how the media fails to attribute climate change to extreme weather.
Western mega-fires may bring smokier skies to Minnesota in 2018
Climate change and decades of fire suppression are creating prime conditions for massive wildfires to burn out West, and the smoke can create air quality issues in Minnesota.
Chicago Mayor Rahm Emanuel says 10 more cities, including St. Paul, have joined the city's effort to address climate change after President Trump said the U.S. will pull out of the Paris climate accord.