On Earth Day, Knoxville activated its first solar array with battery storage at E.V. Davidson Community Center — a DOE-funded installation installed by Solar Alliance with KUB support.

CAL FIRE and California State Parks will run a prescribed burn on April 22 near Middle Peak south of Lake Cuyamaca; smoke is expected to be visible across San Diego County.

A viral clip shows a bear charging a hiker on the Mount Wilson Trail; the animal veered off and no injuries were reported. Officials urge caution and preparedness.

Venomous Asian needle ants have been confirmed in Tennessee, including parts of Great Smoky Mountains National Park; their painful stings can trigger severe allergic reactions.

Security‑camera footage and family accounts show a mountain lion killed two large dogs in a Yucaipa backyard; CDFW is assessing the incident and offering safety guidance.

The UPS Foundation's $5M gift helped clear the way for demolition on Piedmont Avenue as the Atlanta Botanical Garden moves to expand to the BeltLine. The $160M campaign aims to open the new entrance in 2028–29.

Holden Arboretum scientists are racing to breed hemlocks that can survive the woolly adelgid as the pest shows up in more Northeast Ohio parks.

A Massachusetts family on a Fort Lauderdale charter reeled in a rare 10-foot great white about a mile offshore before the crew released it.

The Smokies will open an online lottery on April 24 for Elkmont’s synchronous firefly nights May 20–27. Officials will award 960 vehicle passes; entry costs $1 and winners pay $29.

Storm damage tore the netting at Dollywood's Eagle Mountain Sanctuary, leaving some rescued eagles temporarily off-site. Local reports differ on whether three birds are unaccounted for.

Community groups launched Resilient Phoenix in Maryvale to add shade, plant trees and pilot a sponge‑city approach that could reuse graywater to cool public spaces. A May 20 town hall will unveil early findings.

Cobbs Creek reopened after a multi-year closure with a 68-bay Lincoln Financial driving range, a TGR short course and a new Smilow Woodland TGR Learning Lab for local students.

Texas Parks and Wildlife bought 188 acres that nearly doubled Lockhart State Park, adding blackland prairie and creekside woodland. Officials say surveys and public meetings will guide possible new trails and camping.