Science & Environment

Oregon wildlife officials counted more gray wolves than ever last winter, a promising sign for the federally endangered species.

Scientists have recently mapped the painted lady butterfly's annual flight from equatorial Africa to northern Europe and back, the world's longest butterfly migration. In Constant Bloom, photographer Lucas Foglia documents the journey.

House Bill 3597 would overhaul the state’s popular electric vehicle rebate program by offering lower rebates to extend the program for lower income residents.

Senate Bill 1187 would have made companies responsible for millions of metric tons of greenhouse gas pollution pay into a “climate superfund.”

Oregon’s effort to reduce its greenhouse gas emissions through state policies could face challenges from the White House after President Donald Trump signed an executive order barring state and local enforcement of climate laws that target the use of fossil fuels.

An Oregon bill to prohibit expanding or building new large dairies and livestock farms in the state's three groundwater management areas was tabled after a hearing in Salem drew strong support and opposition.

Ten Oregon projects are among more than 470 across the country stuck in limbo, with recipients denied access to millions in funding.

We take stock of the conversations surrounding dam removals in the wake of the Klamath projects and discussions of the utility of several dams along the Willamette River.

A year after holding oral arguments, the Oregon Supreme Court has ruled a lawsuit against one of Oregon’s most recognizable farmer-owned creameries can move forward.

After decades of conflict, farmers and tribes say they’re working in concert to restore salmon habitat in the Klamath Basin. But two dams remain - one that blocks fish passage another that plays a key role for agriculture.