Stories by Patty Wetli

Classes are not canceled Thursday, CPS CEO Pedro Martinez announced. Chicago is expecting to get hit with a dangerous combination of high winds, extremely cold temperatures and blowing snow, creating whiteout conditions.

The fund will award grants in amounts ranging from $50,000 to $250,000 for projects, including energy efficiency upgrades, green infrastructure or the purchase of electric vehicles.

What will be the hallmark of the impending Christmas blizzard of 2022? Probably not a lot of snow, but that’s not what blizzards are about anyway.

The National Museum of Puerto Rican Arts and Culture leases a historic landmark building in Humboldt Park. It began construction on an adjacent archive facility without obtaining permits.

Lake County Forest Preserves has now joined a global wildlife tracking network, expanding the ability of researchers to follow the movement of migratory birds through the Chicago region.

Chicago has launched a contest to name six of its snowplows — one for each snow district — and the competition promises to be fierce.

From a mass die-off of trees to a moose on the loose, here’s what caught our attention this week on the climate and nature beat.

The Chicago Park District announced a number of new benefits designed to help with recruitment and retention at the December meeting of the district’s board of commissioners.

The candidates include well-known banes like garlic mustard and wild parsnip, but also a plant adored by landscapers and property owners: the Callery pear tree.

The federal government has just announced its most significant investment to date in nature-based projects aimed at creating "climate-ready" coastlines, and Chicago is among the communities that will benefit from this latest round of funding.

"A birth represents preservation of a species that has faced many challenges in the wild,” said Mike Murray, curator of mammals and animal behavioral husbandry.

It’s been another wild week on the nature beat. The United Nations’ biodiversity conference kicked off Tuesday in Montreal with the UN Secretary-General calling humanity a “weapon of mass extinction.” Nowhere to go but up from there.

Sky watchers will have their eyes peeled Wednesday night for a rare-ish celestial event: an “eclipse” of Mars.

Researchers at the Field Museum are embarking on a project to discover what was the point — if any — of T. rex’s tiny arms.

Federal officials popped into Chicago Friday to celebrate the awarding of a $20 million grant from the U.S. Department of Transportation to the Englewood Nature Trail.

Tens of thousands of bikers will vroom through Chicago Sunday during the 45th annual Toys for Tots Motorcycle Parade.

Every Friday, we’ll be rounding up some of the articles, videos, photos and social media posts that have caught our attention on the topics of climate change, the environment, wildlife, conservation and weather. 

Starting Dec. 1, Chicago’s overnight parking ban takes effect on 107 miles of streets, snow or no snow, from 3-7 a.m. daily through April 1.

The deadly white-nose syndrome is threatening the northern long-eared bat — one of Illinois’ 13 native bats — with extinction. The race is on to find a cure and protect what’s left of the population.

Preservationists are pushing for Promontory Point to be granted Chicago landmark status. Will their case be heard?

Sandhill crane migration is reaching its peak. For those who've wondered whether there are more of the birds this year than in the past, the answer appears to be yes.

Between indoor, outdoor and drive-thru options for light displays, it's safe to say this holiday season will be bright. We've also rounded up a baker's dozen of holiday markets. 

“Any riverfront improvement opportunity should be part of a master plan that recognizes the Chicago River system as the wondrous natural resource it is rather than the uncared for alleyway it used to be,” said Friends of the Chicago River.

One of Chicago’s most beloved holiday traditions — the German-style Christkindlmarket — kicks off this weekend, and it’s bigger than ever, with a new location in Aurora.

Davis, founder of Blacks in Green, envisions Woodlawn teeming with biodiversity, resilient in the face of climate change and capable of supporting a local workforce employed in green business such as horticulture or composting. 

The Clarke House, built in 1836, is now the Clarke-Ford House to reflect the stewardship of Bishop Louis Henry and Margaret Ford, who rescued the building for posterity.