Climate

Green group pitches alternative vision for PolyMet site
An environmental group fighting the proposed PolyMet copper-nickel mine in northeastern Minnesota has proposed an alternative vision for the site that reimagines it as a clean energy and manufacturing hub.
Climate signals from the sparrows in the sky
Birds are sentinel species when it come to our changing climate. And even subtle climate shifts can have outsized impacts.
Work of pioneering Arctic explorer from Minnesota gains new relevance in tracking effects of climate change
Canadian researchers have been traveling to Minnesota to view plant specimens gathered in the Arctic decades ago by a boot-clomping, chain-smoking librarian who grew up near Duluth. The work of Margaret Oldenburg is finding new relevance as a way to better understand the effects of climate change.
Did the world make progress on climate change? Here's what was decided at global talks
Delegates reached a last-minute deal to pay vulnerable countries for damages caused by climate change. But the final agreement does not put humanity on track to avoid catastrophic warming.
Record low levels of the Mississippi River cause major problems for grain
The Mississippi River reached record lows in the southern U.S. this fall causing major problems for the 60% of U.S. grain harvest that’s typically shipped down America’s largest river.
There are now 8 billion people on Earth, according to a new U.N. report
The number of people on Earth reached 8 billion for the first time, according to the U.N. The world's population continues to grow, but it's slowing down as people live longer and have fewer kids.