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A recent report from the Obama administration warned that changes to the climate could lead to thousands more Americans dying prematurely every year from a variety of causes. Local scientist and professor Seth Darling discusses the challenges of climate disruption and shares his thoughts on creating a path to a sustainable future.

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You don't have to be an expert birder or ecologist to enjoy songs and calls from native and foreign birds in Chicago this time of year. Here's what to listen for.

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A new interactive exhibit on climate change at the Peggy Notebaert Nature Museum addresses “the defining issue of our time,” says Steve Sullivan, senior curator of ecology at the museum. 

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The nonprofit Lucy Parsons Labs has launched a secure platform for those looking to share sensitive documents with the media. 

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A new study shows why Neanderthal DNA can be bad for you. Astronomers capture visual evidence of an exploding star. And sometimes, it’s a bad idea to go to the Internet for help. Rabiah Mayas from the Museum of Science and Industry joins “Chicago Tonight” to examine these stories and more.

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Badgers are known for their elusiveness: the mostly solitary animals travel and forage at night, moving from one place to another very quickly. But wildlife biologists recently got lucky and caught one in northwest Cook County.

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A small nature reserve at a tiny point on the southern coast of Peru is playing a big role in protecting endangered marine and bird species. Learn how the Chicago Zoological Society has been working with the community to engage locals in the conservation effort.

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The notoriously polluted Chicago River is about to get cleaner with disinfection technology at a Skokie water treatment facility.

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Chicago's Hyde Park neighborhood has long been a haven for the bright green monk parakeet, but its presence – and recent decline – is shrouded in mystery.

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An outbreak of canine distemper has infected a record number of racoons in Cook County, putting dogs at risk of contracting the highly contagious virus.

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The Chicago River is far from America's cleanest waterway. But a few anglers are trying their luck as its ecosystem improves. Captain Tim Frey took us for a winter fishing trip on the river.

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The FBI wants Apple to unlock an iPhone belonging to one of the people behind December's mass shooting in San Bernardino, California. Apple says it's taking a stand for privacy rights, while the FBI says it's merely trying to conduct the most thorough investigation possible.

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A fatal virus affecting honeybees around the world is being made worse by humans – and it's impacting our food supply. Find out what some local beekeepers are doing about it.

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There are signs that climate change is having negative effects on maple syrup production. Researchers are now surveying maple trees in the Midwest to look for them.

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A 10-week-old sea otter pup rescued after a rough storm in California last month is recovering at her new home in Chicago.

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Say so long to the adorable red panda cubs captivating visitors of the Lincoln Park Zoo. Soon, the almost 8-month-old cubs will be leaving town.