Environment & Science

A November-like chill – one that prompted frost warnings for Tuesday morning – will give way to near-record-high temperatures by week’s end, forecasters say.

The coldest night of the season so far is approaching, according to the weather forecast.

Brad Klein reviews this week's astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

Students learn to identify medicinal, edible and toxic plants. They also study how some plants have impacted history for both the good and bad, through their healing, addictive, profitable or edible properties.

The Allentown Public Library hosted a discussion on native plants and pollinators on Saturday, explaining their importance and what humans can do to help these vital organisms.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

The Northampton County Department of Parks and Recreation on Friday held a free program for residents about the world’s only flying mammal, bats, at Louise Moore Park, 146 Country Club Road in Lower Nazareth Township.

The officials announced a statewide drought watch this July. Here are the latest updates for Lehigh, Northampton and more.

DOE has selected PPL's application for consideration in the Grid Resilience and Innovation Partnerships program.

NOAA's Operational Branch Chief Jon Gottschalck referenced “Snowmaggedon” — the storm that walloped the region in February 2010. He said in this winter outlook, "There’s some hope for snow lovers."

Excessive rainfall during drought can trigger flash flooding, forecasters say. The concern is that prolonged dry conditions can make the soil hydrophobic, meaning it repels water.

Terry Hart, of Lower Saucon Township, is a NASA astronaut who flew aboard the space shuttle Challenger in 1984. Today he's a professor in Lehigh University's Department of Mechanical Engineering, mentoring a new generation heading into the field of science and technology.

Led by the Greater Lehigh Valley Chamber of Commerce and the Sustainable Energy Fund, The Lehigh Valley Sustainability Summit drew economic and industry leaders from across the region to engage on topics like waste reduction, energy and economic growth.

The American Lung Association’s “State of the Air” report shows air quality got worse in the Lehigh Valley. The report was released Wednesday.

This week, an update on two astronauts who captured the world’s attention when their stay on the International Space Station went from a couple of days to the better part of a year.

The Growing Greener Plus grant program aims to address critical environmental concerns, like flooding, as well as protect waterways and watersheds. Applications are due June 20.

The first winner of the Good Farmer Award U.S. was announced on Earth Day. The competition sought beginner farmers who exemplify sustainable farming practices.

A Lehigh County resident's collection of more than 150 conifers, assembled over decades, will soon be moved to the Louise Moore Park arboretum in Lower Nazareth Township.

The Lyrid meteor shower is at its peak this week. Looking to catch a shooting star? Brad Klein and Marty McGuire talk about prime viewing times on this week's Watching the Skies.

The exhibit, which calls itself North America’s most popular interactive dinosaur event, will return to Allentown Fairgrounds Agri-Plex from June 13-15.

Easton's new sustainability coordinator has launched an email for residents to direct their ideas and concerns about sustainability in the city.

The 3rd Annual No Planet B Jamboree will be at 1-4 p.m. Saturday, April 19. For the first time, it will be at the ArtsQuest Town Square Stage on the SteelStacks campus.