Environment

Minnesota awarded the PolyMet mining company the permits it needs to begin construction on what would become the state’s first copper-nickel mine. Since then, the project has been mired in court battles, over the permits themselves, and how the state issued them. Tuesday begins another chapter.

"When we organize, we model the world we want to see," says teenager Xiye Bastida. Activist girls like Bastida have been especially visible in the fight against climate change.

Minneapolis has planted hundreds of trees in the past few years in an effort to green up downtown, but many aren't surviving past their first year. City staff have been trying to figure out why, and they think they might have found the culprit: salt.

At 110 feet and more than 200 years, Herbie was the tallest and oldest elm in New England and survived 14 bouts of Dutch elm disease because of the devotion of its centenarian caretaker, Frank Knight, the late tree warden of Yarmouth, Maine.

Thousands gathered in cities across the country Saturday as part of the nationwide Women's March rallies focused on issues such as climate change, pay equity, reproductive rights and immigration.

Melting ice means more ships are traversing polar shipping lanes, so Rune Rafaelsen wants Chinese investors to help turn the small town of Kirkenes into a major logistics hub. But doubters abound.

Australia’s unprecedented wildfire season has so far killed — by one estimate — more than a billion wild animals. Scientists fear some of the island continent’s unique and colorful species may not recover. For others, they are trying to throw lifelines.

Council members Alondra Cano and Cam Gordon signaled their intent to bring a fur ban ordinance before their colleagues later this month.

A federal appeals court has dismissed a lawsuit by 21 young people who claimed the U.S. government's climate policy harms them and jeopardizes their future.

The tech giant, which says it has been "carbon neutral" for years, is vowing to go "carbon negative" — by cutting emissions, planting trees and investing in new carbon removal technology.