For the first time, researchers have detected a significant drop in atmospheric levels of hydrochlorofluorocarbons, harmful gases that deplete the ozone layer and warm the planet. Almost 30 years after nations first decided to phase out these chemicals, which are widely used in air conditioning and refrigeration, scientists say global concentrations have peaked in 2021.… Read More »
If temperature-tracking sea sponges are to be trusted, climate change has progressed much further than scientists predicted. A new study using ocean organisms called sclerosponges to measure average global temperature shows that the world has already warmed by about 1.7 degrees Celsius in the last 300 years; This is at least half a degree Celsius… Read More »
CHICAGO (AP) — Christmas tree grower Jim Rockis knows what it’s like to have someone die long before they reach the recipient. Rockis grows trees in West Virginia and Pennsylvania; here he and other growers grow their iconic evergreens outside their preferred habitats, often high in the mountains. But this may mean planting in warmer,… Read More »
CHICAGO (AP) — Christmas tree grower Jim Rockis knows what it’s like to have someone die long before they reach the recipient. Rockis grows trees in West Virginia and Pennsylvania; here he and other growers grow their iconic evergreens outside their preferred habitats, often high in the mountains. But this may mean planting in warmer,… Read More »