Irina Zhorov

The balsam wooly adelgid has devastated Appalachia’s native Fraser firs. On a North Carolina farm, their domesticated cousins grow with TLC.

After an OB-GYN heard of unexpected home births post-Hurricane Maria, she is teaching her patients calm and self-reliance, just in case.

More than half of the island's beaches are losing sand. That's a problem when most of the population lives along the coast.

One of the most complicated pieces of technology — the power grid — is no match for the forest.

Researchers are studying the factors that can make epigenetic changes to DNA. A mom's stress, diet and daily habits may become an inheritance of sorts for her kids.

There's a shortage of primary care providers. University of Pennsylvania is testing a model, using Medicare funds, to train more nurse practitioners.

As the island’s utility struggles to turn the lights back on, there’s a larger conversation about rebuilding better.

Still reeling after lasts year’s storm season, women in the town of Mariana, Puerto Rico, spend time together and prepare meals for others to ease depression.

As Arctic ice caps warmed, scientists — believers and skeptics — came together to seek answers.

Bears in Pennsylvania are struggling with mange they can't seem to kick. Scientists are studying what's unique about the disease in the state.

Some companies offer you the chance to “erase” your carbon sins without making big changes to your lifestyle.

“Folks are coming with post-traumatic stress disorder, depression, with anxiety."